BMW Exhaust Parts, Mufflers & Catalytic Converters for BMW X5 M S63 4.4L

Valvetronic Designs Valved Sport Titanium Exhaust System - 3.5" Forge...

T#:53008806

Part#: F95X5MVSESTIFC

Ships in 1 Business Day

$ 4,049.99 USD

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$ 4,049.99 USD

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The BMW X5M and X6M deliver blistering performance straight from the factory, but “decent” sound isn’t enough for an SUV with this much power. At Valvetronic Designs, we’ve engineered the ultimate valved exhaust system to unlock the raw, motorsport-inspired tone that these platforms truly deserve.

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Valvetronic Valved Sport Cat-Back Exhaust System - 4.0" Carbon Fiber ...

T#:52868089

Part#: F85X5MVSESBRRC

In Stock

$ 3,149.99 USD

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$ 3,149.99 USD

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The BMW X5M and X6M are already powerhouses in performance, but from the factory, the S63’s soundtrack leaves room for improvement. At Valvetronic Designs, “decent” isn’t enough—so we developed the ultimate valved exhaust system to amplify both performance and emotion.

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Valvetronic Designs Valved Sport Titanium Exhaust System - 4.0" Raw T...

T#:53008807

Part#: F95X5MVSESTITIBR

Ships in 1 Business Day

$ 4,049.99 USD

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$ 4,049.99 USD

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The BMW X5M and X6M deliver blistering performance straight from the factory, but “decent” sound isn’t enough for an SUV with this much power. At Valvetronic Designs, we’ve engineered the ultimate valved exhaust system to unlock the raw, motorsport-inspired tone that these platforms truly deserve.

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Valvetronic Designs Valved Sport Stainless Exhaust System - 3.5" Burn...

T#:53008799

Part#: F95X5MVSESBRBRT

Ships in 1 Business Day

$ 3,599.99 USD

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$ 3,599.99 USD

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The BMW X5M and X6M deliver blistering performance straight from the factory, but “decent” sound isn’t enough for an SUV with this much power. At Valvetronic Designs, we’ve engineered the ultimate valved exhaust system to unlock the raw, motorsport-inspired tone that these platforms truly deserve.

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Valvetronic Designs Valved Sport Titanium Exhaust System - 3.5" Burnt...

T#:53008804

Part#: F95X5MVSESTIBRT

Back Ordered

$ 4,049.99 USD

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$ 4,049.99 USD

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The BMW X5M and X6M deliver blistering performance straight from the factory, but “decent” sound isn’t enough for an SUV with this much power. At Valvetronic Designs, we’ve engineered the ultimate valved exhaust system to unlock the raw, motorsport-inspired tone that these platforms truly deserve.

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Valvetronic Valved Sport Cat-Back Exhaust System - 3.5" Black Tips - ...

T#:52868085

Part#: F85X5MVSESBRBLK

Ships in 1 Business Day

$ 3,149.99 USD

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$ 3,149.99 USD

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The BMW X5M and X6M are already powerhouses in performance, but from the factory, the S63’s soundtrack leaves room for improvement. At Valvetronic Designs, “decent” isn’t enough—so we developed the ultimate valved exhaust system to amplify both performance and emotion.

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Valvetronic Designs Valved Sport Stainless Exhaust System - 4.0" 1x1 ...

T#:53008801

Part#: F95X5MVSESBRRC

Ships in 1 Business Day

$ 3,599.99 USD

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Qty

$ 3,599.99 USD

Add to Wish List

The BMW X5M and X6M deliver blistering performance straight from the factory, but “decent” sound isn’t enough for an SUV with this much power. At Valvetronic Designs, we’ve engineered the ultimate valved exhaust system to unlock the raw, motorsport-inspired tone that these platforms truly deserve.

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Valvetronic Designs Valved Sport Stainless Exhaust System - 3.5" Forg...

T#:53008800

Part#: F95X5MVSESBRFC

Ships in 1 Business Day

$ 3,599.99 USD

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Qty

$ 3,599.99 USD

Add to Wish List

The BMW X5M and X6M deliver blistering performance straight from the factory, but “decent” sound isn’t enough for an SUV with this much power. At Valvetronic Designs, we’ve engineered the ultimate valved exhaust system to unlock the raw, motorsport-inspired tone that these platforms truly deserve.

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Valvetronic Designs Valved Sport Stainless Exhaust System - 3.5" Blac...

T#:53008797

Part#: F95X5MVSESBRBLK

Ships in 1 Business Day

$ 3,599.99 USD

Add to Wish List

Qty

$ 3,599.99 USD

Add to Wish List

The BMW X5M and X6M deliver blistering performance straight from the factory, but “decent” sound isn’t enough for an SUV with this much power. At Valvetronic Designs, we’ve engineered the ultimate valved exhaust system to unlock the raw, motorsport-inspired tone that these platforms truly deserve.

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Valvetronic Designs Valved Sport Titanium Exhaust System - 3.5" Brush...

T#:53008803

Part#: F95X5MVSESTIBRSH

Ships in 1 Business Day

$ 4,049.99 USD

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Qty

$ 4,049.99 USD

Add to Wish List

The BMW X5M and X6M deliver blistering performance straight from the factory, but “decent” sound isn’t enough for an SUV with this much power. At Valvetronic Designs, we’ve engineered the ultimate valved exhaust system to unlock the raw, motorsport-inspired tone that these platforms truly deserve.

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Valvetronic Designs Valved Sport Titanium Exhaust System - 3.5" Black...

T#:53008802

Part#: F95X5MVSESTIBLK

Ships in 1 Business Day

$ 4,049.99 USD

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Qty

$ 4,049.99 USD

Add to Wish List

The BMW X5M and X6M deliver blistering performance straight from the factory, but “decent” sound isn’t enough for an SUV with this much power. At Valvetronic Designs, we’ve engineered the ultimate valved exhaust system to unlock the raw, motorsport-inspired tone that these platforms truly deserve.

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Valvetronic Valved Sport Cat-Back Exhaust System - 3.5" Brushed Steel...

T#:52868086

Part#: F85X5MVSESBRBRSH

Back Ordered

$ 3,149.99 USD

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Qty

$ 3,149.99 USD

Add to Wish List

The BMW X5M and X6M are already powerhouses in performance, but from the factory, the S63’s soundtrack leaves room for improvement. At Valvetronic Designs, “decent” isn’t enough—so we developed the ultimate valved exhaust system to amplify both performance and emotion.

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Valvetronic Designs Valved Sport Titanium Exhaust System - 4.0" 1x1 C...

T#:53008805

Part#: F95X5MVSESTIRC

Back Ordered

$ 4,049.99 USD

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Qty

$ 4,049.99 USD

Add to Wish List

The BMW X5M and X6M deliver blistering performance straight from the factory, but “decent” sound isn’t enough for an SUV with this much power. At Valvetronic Designs, we’ve engineered the ultimate valved exhaust system to unlock the raw, motorsport-inspired tone that these platforms truly deserve.

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Valvetronic Designs Valved Sport Stainless Exhaust System - 3.5" Brus...

T#:53008798

Part#: F95X5MVSESBRBRSH

Back Ordered

$ 3,599.99 USD

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Qty

$ 3,599.99 USD

Add to Wish List

The BMW X5M and X6M deliver blistering performance straight from the factory, but “decent” sound isn’t enough for an SUV with this much power. At Valvetronic Designs, we’ve engineered the ultimate valved exhaust system to unlock the raw, motorsport-inspired tone that these platforms truly deserve.

Show More Show Less

Valvetronic Valved Sport Cat-Back Exhaust System - 3.5" Burnt Tips - ...

T#:52868087

Part#: F85X5MVSESBRBRT

Ships in 1 Business Day

$ 3,149.99 USD

Add to Wish List

Qty

$ 3,149.99 USD

Add to Wish List

The BMW X5M and X6M are already powerhouses in performance, but from the factory, the S63’s soundtrack leaves room for improvement. At Valvetronic Designs, “decent” isn’t enough—so we developed the ultimate valved exhaust system to amplify both performance and emotion.

Show More Show Less

Valvetronic Valved Sport Cat-Back Exhaust System - 3.5" Forged Carbon...

T#:52868088

Part#: F85X5MVSESBRFC

Ships in 1 Business Day

$ 3,149.99 USD

Add to Wish List

Qty

$ 3,149.99 USD

Add to Wish List

The BMW X5M and X6M are already powerhouses in performance, but from the factory, the S63’s soundtrack leaves room for improvement. At Valvetronic Designs, “decent” isn’t enough—so we developed the ultimate valved exhaust system to amplify both performance and emotion.

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Universal Stainless Steel Straight Pipe - 2.5" OD - 24" Length ...

10X Entries Into Our F80 M3 Sweepstakes

T#:587358

Part#: TMS24SPKT

In Stock

Sale - Save 25% $ 42.99

This product was last offered at the strikethrough price on
06-14-2026

$ 32.24 USD

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Sale - Save 25%

$ 42.99

This product was last offered at the strikethrough price on
06-14-2026

$ 32.24 USD

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Rust can turn your exhaust system into useless scrap metal in a short period of time if you don't start with the right materials. Ensure your custom exhaust lasts as long as possible with this T304 stainless steel universal exhaust pipe! PART DESIGN Made from T304 Stainless Steel for corrosion resistance and features an attractive brushed finish 2.50" outside diameter (OD) 1.5mm (.060") wall thickness tubing for durability Overall Length (OAL) is approximately 24.00"

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Prosport Titanium Exhaust Wrap - 2" x 50

T#:385019

Part#: HEA-WRAPKIT-50

In Stock

$ 49.99 USD

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$ 49.99 USD

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Constructed for durability with a tight weave, this heat wrap is designed to maintain proper thermal properties in your vehicles exhaust system. This material was hand selected specifically for it's heat characteristics and flexibility. Fiberglass is rated for 1200 degrees, however, this titanium wrap can withstand 1800 degrees!

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Titanium Exhaust Wrap - 2" X 25'

T#:385025

Part#: HEA-WRAPKIT-25

Ships in 1 Business Day

$ 29.99 USD

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$ 29.99 USD

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Constructed for durability with a tight weave, this heat wrap is designed to maintain proper thermal properties in your vehicles exhaust system. This material was hand selected specifically for it's heat characteristics and flexibility. Fiberglass is rated for 1200 degrees, however, this titanium wrap can withstand 1800 degrees!

Key Features:

2" wide x 1/16" thick
Durable, tightly woven, 100% fiberglass
Reduce under hood temperatures
Protect other engine components
Protect your hands/arms from burns
Each roll comes with 5 FREE, 14" long stainless steel zip ties

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Prosport Gold Heat Reflective Tape - 2" x 15'

T#:385020

Part#: HEA-GWRAP-15

Back Ordered

$ 33.99 USD

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$ 33.99 USD

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Constructed of laminated light-weight glass cloth, this gold reflective heat tape is designed to reflect 80% of radiant heat. With excellent pliability, this tape is easy to install. It's as simple as peel and stick.

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Universal Exhaust Pipe Reducer - 3" OD To 60mm ID

10X Entries Into Our F80 M3 Sweepstakes

T#:587351

Part#: TMS3060ER2KT

In Stock

Sale - Save 25% $ 39.99

This product was last offered at the strikethrough price on
06-14-2026

$ 29.99 USD

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Qty

Sale - Save 25%

$ 39.99

This product was last offered at the strikethrough price on
06-14-2026

$ 29.99 USD

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Connect your differently sized exhaust pipes quick and easy with this T304 stainless steel exhaust pipe reducer. PART DESIGN Made from T304 Stainless Steel for corrosion resistance and features a raw finish 3.0" OD (Butt) To 60mm ID (slip) connections 1.5mm (.060") wall thickness tubing for durability Length on 60mm ID side - 2.25" Length on 3.0" OD side - 3.50"

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Universal Stainless Steel 90 Degree Pipe - 3.0" OD

10X Entries Into Our F80 M3 Sweepstakes

T#:587361

Part#: TMS3090PKT

In Stock

Sale - Save 15% $ 40.99

This product was last offered at the strikethrough price on
05-03-2026

$ 34.85 USD

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Sale - Save 15%

$ 40.99

This product was last offered at the strikethrough price on
05-03-2026

$ 34.85 USD

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Rust can turn your exhaust system into useless scrap metal in a short period of time if you don't start with the right materials. Ensure your custom exhaust lasts as long as possible with this T304 stainless steel universal exhaust pipe! PART DESIGN Made from T304 Stainless Steel for corrosion resistance and features an attractive brushed finish 3.0" outside diameter (OD) 1.5mm (.060") wall thickness tubing for durability Minimum Leg Length - 8.25" Bend Radius - 4.75" @ 90° angle

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Stainless Steel V-Band Clamp - 2.5"

10X Entries Into Our F80 M3 Sweepstakes

T#:587344

Part#: TMS25VBKT

In Stock

Sale - Save 25% $ 49.99

This product was last offered at the strikethrough price on
06-14-2026

$ 37.49 USD

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Qty

Sale - Save 25%

$ 49.99

This product was last offered at the strikethrough price on
06-14-2026

$ 37.49 USD

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Ensure you are building your custom exhaust system with only the best! This V-Band Clamp is made completely of T304 stainless steel for high strength and corrosion resistance and comes with zinc-coated hardware. PART DESIGN Weld Rings are made from T304 Stainless Steel for corrosion resistance Weld Rings are 2.5" inside diameter (ID) to slip over a 2.5" OD tube Weld Rings feature a unique "centering ring" on the ID to aid in the alignment of assembly V-Band clamp is T304 Stainless Steel Securing hardware is Zinc-coated steel with high-temp poly. lock nut INSTALLATION AND SUPPORT These are universal parts, meaning they have no direct fitment to any particular vehicle. Custom welding and fabrication is required. Special prep/clean procedures must be adhered to for proper welding.

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Valvetronic Designs Universal Y Pipe Adapter - 2.5" (63mm)

T#:53149938

Part#: VTD.YPIPE.63MM

Back Ordered

$ 40.99 USD

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$ 40.99 USD

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Perfect for when you need to connect a single muffler to dual piping or add two tips to your single muffler!

Stainless Steel V-Band Clamp - 3.0"

10X Entries Into Our F80 M3 Sweepstakes

T#:587341

Part#: TMS30VBKT

In Stock

$ 54.99 USD

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$ 54.99 USD

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Ensure you are building your custom exhaust system with only the best! This V-Band Clamp is made completely of T304 stainless steel for high strength and corrosion resistance and comes with zinc-coated hardware. PART DESIGN Weld Rings are made from T304 Stainless Steel for corrosion resistance Weld Rings are 3.0" inside diameter (ID) to slip over a 3.0" OD tube Weld Rings feature a unique "centering ring" on the ID to aid in the alignment of assembly V-Band clamp is T304 Stainless Steel Securing hardware is Zinc-coated steel with high-temp poly. lock nut INSTALLATION AND SUPPORT These are universal parts, meaning they have no direct fitment to any particular vehicle. Custom welding and fabrication is required. Special prep/clean procedures must be adhered to for proper welding.

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Universal Stainless Steel J-Pipe - 2.5" OD

10X Entries Into Our F80 M3 Sweepstakes

T#:587362

Part#: TMS25JPKT

In Stock

Sale - Save 5% $ 46.99

This product was last offered at the strikethrough price on
06-14-2026

$ 44.64 USD

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Qty

Sale - Save 5%

$ 46.99

This product was last offered at the strikethrough price on
06-14-2026

$ 44.64 USD

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Rust can turn your exhaust system into useless scrap metal in a short period of time if you don't start with the right materials. Ensure your custom exhaust lasts as long as possible with this T304 stainless steel universal exhaust pipe! PART DESIGN Made from T304 Stainless Steel for corrosion resistance and features an attractive brushed finish 2.5" outside diameter (OD) 1.5mm (.060") wall thickness tubing for durability U-Bend Centerline Radius - 3.50" @ 180° angle Leg Length "A" - 5.0" Leg Length "B" - 5.50" Leg Length "C" - 7.0"

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Universal Exhaust Pipe Reducer - 3" ID To 65mm OD

10X Entries Into Our F80 M3 Sweepstakes

T#:587349

Part#: TMS3065ERKT

Ships on Mar 1, 2027

Sale - Save 25% $ 39.99

This product was last offered at the strikethrough price on
06-14-2026

$ 29.99 USD

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Qty

Sale - Save 25%

$ 39.99

This product was last offered at the strikethrough price on
06-14-2026

$ 29.99 USD

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Connect your differently sized exhaust pipes quick and easy with this T304 stainless steel exhaust pipe reducer. PART DESIGN Made from T304 Stainless Steel for corrosion resistance and features a raw finish 3.0" ID (Slip fit) X 65mm OD (Butt) connections 1.5mm (.060") wall thickness tubing for durability Length on 65mm OD side - 2.25" Length on 3.0" ID side - 3.50"

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Universal Exhaust Pipe Reducer - 3" ID To 60mm OD

10X Entries Into Our F80 M3 Sweepstakes

T#:587350

Part#: TMS3060ER1KT

In Stock

Sale - Save 25% $ 39.99

This product was last offered at the strikethrough price on
06-14-2026

$ 29.99 USD

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Qty

Sale - Save 25%

$ 39.99

This product was last offered at the strikethrough price on
06-14-2026

$ 29.99 USD

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Connect your differently sized exhaust pipes quick and easy with this T304 stainless steel exhaust pipe reducer. PART DESIGN Made from T304 Stainless Steel for corrosion resistance and features a raw finish 3.0" ID (Slip) To 60mm OD (Butt) connections 1.5mm (.060") wall thickness tubing for durability Length on 60mm OD side - 2.25" Length on 3.0" ID side - 3.50"

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Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Sin...

T#:53149959

Part#: UVM.76MM.X1

Ships in 1 Business Day

$ 399.99 USD

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$ 399.99 USD

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Unlock the true sound of your engine with the Valvetronic Designs universal valved muffler kit, a premium T304 stainless steel solution that offers the perfect balance between aggressive performance and neighborhood-friendly quiet at the push of a button.

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Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Dua...

T#:53149958

Part#: UVM76MMDUALOUTX2

Back Ordered

$ 599.99 USD

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$ 599.99 USD

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Unlock the true sound of your engine with the Valvetronic Designs universal valved muffler kit, a premium T304 stainless steel solution that offers the perfect balance between aggressive performance and neighborhood-friendly quiet at the push of a button.

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Prosport Fiberglass Exhaust Wrap - White - 2" x 50'

T#:385017

Part#: HEA-WRAPKIT-WHT

In Stock at Vendor

$ 31.99 USD

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$ 31.99 USD

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Constructed of durable, tight-woven fiberglass, this heat wrap is designed to maintain proper thermal properties in your vehicles exhaust system. This material was hand selected specifically for it's heat characteristics and flexibility.

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Valvetronic Designs Electronic Exhaust Valve Control Kit - 1 Valve Ac...

Please visually confirm the exhaust valve actuator installed on your vehicle prior to p...

T#:53114628

Part#: VTD.EVH

Ships in 1 Business Day

$ 299.99 USD

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$ 299.99 USD

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This system allows you to control your BMW's OEM or aftermarket exhaust valves with the touch of a button. This kit enables the control of a single electronic exhaust valve.

Prosport Fiberglass Exhaust Wrap - Black - 2" x 50'

T#:385018

Part#: HEA-WRAPKIT-BLK

Ships in 10 Business Days

$ 28.00 USD

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$ 28.00 USD

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Constructed of durable, tight-woven fiberglass, this heat wrap is designed to maintain proper thermal properties in your vehicles exhaust system. This material was hand selected specifically for it's heat characteristics and flexibility.

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Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Dua...

T#:53149954

Part#: UVM63MMDUALOUTX2

Ships in 1 Business Day

$ 599.99 USD

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$ 599.99 USD

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Unlock the true sound of your engine with the Valvetronic Designs universal valved muffler kit, a premium T304 stainless steel solution that offers the perfect balance between aggressive performance and neighborhood-friendly quiet at the push of a button.

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Active Autowerke - S63TU4 Aflow Catted Downpipes - F90 M5, F92 M8, F9...

These catalytic converters are not legal for use on vehicles registered in the state of California as a result of California Vehicle Code Section 27156 and 38391.

T#:40038643

Part#: 11-063A

Ships in 3 Business Days

5% off MSRP $ 2,399.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 2,279.99 USD

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5% off MSRP

$ 2,399.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 2,279.99 USD

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The Active Aflow Catalytic Converters are rated for engines putting out up to 800 horsepower while maintaining a high flow capacity.

Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Sin...

T#:53149956

Part#: UVM.63MM.X2

In Stock

$ 599.99 USD

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$ 599.99 USD

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Unlock the true sound of your engine with the Valvetronic Designs universal valved muffler kit, a premium T304 stainless steel solution that offers the perfect balance between aggressive performance and neighborhood-friendly quiet at the push of a button.

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Stainless Steel Weld-In Oxygen Sensor Bung - M18x1.5mm

10X Entries Into Our F80 M3 Sweepstakes

T#:587345

Part#: TMS02BUNGKT

Ships on Nov 3, 2026

Sale - Save 25% $ 3.99

This product was last offered at the strikethrough price on
06-14-2026

$ 2.99 USD

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Qty

Sale - Save 25%

$ 3.99

This product was last offered at the strikethrough price on
06-14-2026

$ 2.99 USD

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Finish your custom exhaust with this T304 stainless steel weld-in oxygen sensor bung. PART DESIGN CNC-cut from T304 Stainless Steel for corrosion resistance Radiused to match 2.50"-3.00" OD tubing for ease of welding Threaded for M18x1.5mm RH oxygen sensors INSTALLATION AND SUPPORT These are universal parts, meaning they have no direct fitment to any particular vehicle. Custom welding and fabrication is required. Special prep/clean procedures must be adhered to for proper welding.

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Active Autowerke High Flow Catted Downpipes - S63

T#:2393421

Part#: 11-063

Ships in 10 Business Days

5% off MSRP $ 2,999.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 2,849.99 USD

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5% off MSRP

$ 2,999.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 2,849.99 USD

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For over 30 years, Active Autowerke has been the one to turn to for high quality BMW performance products. Committed to enhancing the performance of BMWs through the highest quality products is what Active Autowerke is all about. These S63 downpipes are strategically engineered to virtually eliminate the immensely restrictive characteristics of the factory M5 downpipes therefore reducing radiant heat and increasing performance. Features: NO CEL when using this downpipe GESI EPA registered high flow and fully OBD2 compliant Casted upper stainless steel V-Band for precise fitment 4.50" diameter piping allows for maximum power output Quicker turbo spool Rated for 500 to 850 hp applications Withstands up to 1500 F Can reach operational efficiency within 9 seconds of startup Easily bolts-on no cutting or welding required Accepts OEM O2 sensor heat shield Durable construction from TIG welded 304 stainless steel Precise fitment Ultra high flow 400 cell per square inch catalyst EPA compliant for use on OBD2 vehicles (1996 and newer) except in California 304 stainless steel substrate is furnace braised to the mantle for outstanding durability GESi proprietary precious metal loading technology ensures greatly reduced emissions Ideal for Forced Induction Applications with no loss of HP Both passengers and drivers are safe from harmful emissions and noise Covered by 5 Year / 50,000 Mile Warranty (on catalytic converter) Made in Miami, Florida

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Valvetronic Designs Universal T-Style Valved Muffler Kit - Single Inl...

T#:53149963

Part#: UVM76MMTSTYLEX1

Back Ordered

$ 499.99 USD

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$ 499.99 USD

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Unlock the true sound of your engine with the Valvetronic Designs universal valved muffler kit, a premium T304 stainless steel solution that offers the perfect balance between aggressive performance and neighborhood-friendly quiet at the push of a button.

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Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Dua...

T#:53149953

Part#: UVM63MMDUALOUTX1

Ships in 1 Business Day

$ 399.99 USD

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Qty

$ 399.99 USD

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Unlock the true sound of your engine with the Valvetronic Designs universal valved muffler kit, a premium T304 stainless steel solution that offers the perfect balance between aggressive performance and neighborhood-friendly quiet at the push of a button.

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Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Sin...

T#:53149962

Part#: UVM.89MM.X2

In Stock

$ 599.99 USD

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$ 599.99 USD

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Unlock the true sound of your engine with the Valvetronic Designs universal valved muffler kit, a premium T304 stainless steel solution that offers the perfect balance between aggressive performance and neighborhood-friendly quiet at the push of a button.

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Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Sin...

T#:53149961

Part#: UVM.89MM.X1

Back Ordered

$ 399.99 USD

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Qty

$ 399.99 USD

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Unlock the true sound of your engine with the Valvetronic Designs universal valved muffler kit, a premium T304 stainless steel solution that offers the perfect balance between aggressive performance and neighborhood-friendly quiet at the push of a button.

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Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Dua...

T#:53149957

Part#: UVM76MMDUALOUTX1

Back Ordered

$ 399.99 USD

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Qty

$ 399.99 USD

Add to Wish List

Unlock the true sound of your engine with the Valvetronic Designs universal valved muffler kit, a premium T304 stainless steel solution that offers the perfect balance between aggressive performance and neighborhood-friendly quiet at the push of a button.

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Valvetronic Designs Universal T-Style Valved Muffler Kit - Single Inl...

T#:53149955

Part#: UVM63MMTSTYLEX1

Back Ordered

$ 499.99 USD

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Qty

$ 499.99 USD

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Unlock the true sound of your engine with the Valvetronic Designs universal valved muffler kit, a premium T304 stainless steel solution that offers the perfect balance between aggressive performance and neighborhood-friendly quiet at the push of a button.

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Valvetronic Designs Universal Y Pipe Adapter - 3.0" (76mm)

T#:53149939

Part#: VTD.YPIPE.76MM

Ships in 1 Business Day

$ 40.99 USD

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$ 40.99 USD

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Perfect for when you need to connect a single muffler to dual piping or add two tips to your single muffler!

Valvetronic Designs Electronic Exhaust Valve Control Kit - 2 Valve Ac...

Please visually confirm the exhaust valve actuator installed on your vehicle prior to p...

T#:22328085

Part#: VTD.EVH.2

Ships in 1 Business Day

$ 399.99 USD

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$ 399.99 USD

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This system allows you to control your BMW's OEM or aftermarket exhaust valves with the touch of a button. This kit enables the control of two electronic exhaust valves.

Active Autowerke GESI Catted Downpipes - S63 N63

For 2014+ model years only

T#:397488

Part#: 11-041

Ships in 3 Business Days

5% off MSRP $ 2,999.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 2,849.99 USD

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5% off MSRP

$ 2,999.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 2,849.99 USD

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Active Autowerke is proud to bring you our hand made Signature S63/N63 Downpipes for the twin-turbo V8 BMW X5M, X6M, 550i, 650i, X5, X6 models. This variant includes a pair of 4.5" ultra high flow GESI catalytic converter that will NOT produce a CEL!

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Active Autowerke Performance Catted Downpipes - G05/06 X5 X6, G14/15/...

For vehicles with the N63B engine (2020+) - VIN Required for Purchase

T#:22822601

Part#: 11-041B

Ships in 10 Business Days

$ 2,849.99 USD

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$ 2,849.99 USD

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Unleash the Beast: Active Autowerke Signature GESI High-Flow Downpipes The S63 and N63 twin-turbo V8s are world-class engines, but they’ve got a breathing problem. From the factory, your BMW X5M, X6M, 550i, or 650i is suffocating under massive backpressure caused by restrictive, bulky catalytic converters. If you want real power, you have to let those turbos spin. Active Autowerke’s Signature High-Flow Downpipes are the ultimate "no-compromise" upgrade. Hand-fabricated in Miami, these 3.0" downpipes utilize GESi G-Sport Ultra High Output technology. You get the raw performance of a track setup with the refined, odorless experience of a street car—and most importantly, no Check Engine Light. Why These Downpipes Belong on Your BMW: Turbo performance is all about the pressure differential. By clearing the path behind the turbine wheel, you allow the turbos to work significantly less to produce significantly more. Turbo Response: Experience a massive reduction in lag with quicker spool-up and instant throttle tip-in. Massive Power Ceiling: The 4.5" GESi 400-cell cores are rated for 500hp to 850hp, ensuring they won't become a bottleneck as you climb the ladder of modifications. Clean & Odorless: Forget the "gas station" smell of catless downpipes. These proprietary precious-metal catalysts keep the air clean and your cabin comfortable. Hand-Built Precision These aren't mass-produced units. Each set is TIG-welded 304 stainless steel with cast upper V-band flanges for a factory-perfect seal. Because Active Autowerke builds these in-house, the fitment is surgical—no "massaging" or welding required for a secure bolt-on install. Turner Fitment Note: To guarantee 100% accuracy for your build, please provide your VIN at checkout. Note: These are F-chassis specific; G-body vehicles with the N63B engine require a different configuration. Core Features: No CEL Guarantee: Optimized for catalytic efficiency to keep your dashboard clear. 49-State Legal: EPA Registered and fully OBD2 compliant (Excludes CA). Built for Heat: Rated to withstand up to 1,500°F and reaches operational efficiency in just 9 seconds. Legendary Durability: 304 stainless substrate is furnace-braised to the mantle for maximum vibration resistance. Warranty Protected: Includes a 5-year/50,000-mile structural warranty and a 2-year/25,000-mile catalyst core warranty.* Technical Specs: Material: TIG-Welded 304 Stainless Steel Tubing: Full 3.0" (76mm) Mandrel-Bent Piping Catalyst: GESi Ultra High Output (400 CPI) HP Rating: 500hp - 850hp Lead Time: Custom made-to-order (Approx. 2 weeks) *A Note on Burble Tunes: We love a good exhaust crackle as much as anyone, but "aggressive" burble or pop maps physically destroy catalytic substrates. Use of such tunes will void the warranty on the GESi core.

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Active Autowerke S63 N63 A-Flow Catted Downpipes

T#:51110136

Part#: 11-041AB

Ships in 3 Business Days

$ 2,279.00 USD

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$ 2,279.00 USD

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Active Autowerke’s Aflow Catted Downpipes provide a "no-compromise" solution for the G-body enthusiast who wants high-flow performance without the drawbacks of a track-only "catless" setup. These downpipes feature advanced metallic high-flow catalysts that satisfy onboard diagnostic requirements, meaning you can enjoy increased power without the headache of a Check Engine Light (CEL). By utilizing premium 304 stainless steel and a low-restriction design, these pipes are built to withstand the intense thermal cycles of a twin-turbo V8 while delivering a deep, aggressive exhaust note. This variant is a true bolt-on upgrade that preserves the daily driveability and luxury experience of your BMW while significantly improving its performance ceiling. Key Features: No CEL Operation: Engineered to work with factory emissions monitors for a dashboard-clear experience. Streamlined Exhaust Path: Mandrel-bent 3" piping with minimal bends for smooth, high-velocity exhaust gas flow. Precision Fitment: Developed through extensive R&D to provide a factory-like bolt-on installation. Hand-Made in the USA: Fabricated in-house at Active Autowerke’s Miami facility to ensure surgical quality control. Vibration Resistance: Robust TIG welding and heavy-duty brackets ensure longevity even under aggressive driving conditions. Specifications: Primary Material: Brushed 304 Stainless Steel. Inlet/Outlet: Precision cast V-band inlet and direct-fit outlet. Flow Rating: Significantly higher CFM than restrictive factory ceramic converters. Installation: 100% Bolt-on; no cutting or welding required. Finish: Natural Stainless. Lead Time: Typically custom made-to-order (Approx. 2-week build time).

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Active Autowerke S63 N63 A-Flow Catted Downpipes

For 2014+ model years only

T#:51075079

Part#: 11-041A

Ships in 3 Business Days

$ 2,279.00 USD

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$ 2,279.00 USD

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For the BMW owner seeking increased performance without the drawbacks of a "catless" system, the Active Autowerke Aflow Catted Downpipes offer the perfect solution. These downpipes feature high-flow metallic catalytic converters that are specifically designed to maintain exhaust efficiency while preventing the dreaded Check Engine Light (CEL). Unlike track-only pipes that can produce raw fuel odors and cabin drone, the Aflow series maintains a sophisticated, refined exhaust note suitable for a luxury daily driver. Each set is custom-made in-house to ensure an exact bolt-on fit, providing a reliable solution that satisfies both the driver’s demand for power and the vehicle’s onboard diagnostic requirements. Key Features: No CEL Guarantee: Advanced Aflow catalyst technology prevents catalytic efficiency dashboard warnings. Refined Exhaust Note: Provides an aggressive V8 growl while maintaining cabin comfort for daily use. Bolt-On Installation: No cutting or welding required; replaces the bulky factory units directly. Thermal Resilience: Built to withstand the high temperatures generated by the S63 and N63 twin-turbo engines. Safe for Occupants: Reduces harmful emissions and raw exhaust odors compared to catless alternatives. Specifications: Primary Material: Brushed 304 Stainless Steel Fitting: Direct OEM Replacement (Bolt-on) Manufacturing Location: Hand-made in Miami, FL Weight Reduction: Lighter than the heavy, ceramic-core factory catalytic converters Surface Finish: Natural Stainless Lead Time: Custom made-to-order (Approx. 2 weeks)

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BMW Exhaust Parts, Mufflers & Catalytic Converters for BMW X5 M S63 4.4L

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