BMW Axleback Exhaust for BMW F90 M5 S63 4.4L

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Axleback exhaust systems generally include what's behind your rear axle. These are among the easiest of exhaust upgrades to install, and give you an instant upgrade in sound.
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AWE - Corporate Logo
T#:589651
Part#: 3020-43078
In Stock
$ 1,945.00 USD
Free Shipping
$ 1,945.00 USD
Free Shipping
If raw and rowdy are your speed, the Track Edition Catback is your dose of steel. The Track Edition Exhaust retains all the engineering and precision of the SwitchPath Exhaust, including the X-pipe and 3” diameter tubing, minus the valves in the rear sections. The result? Constant rumble. Features: Designed, engineered, and manufactured in-house at AWE Available as more unleashed Track Edition Full Cat-back 21 lb weight savings over stock with the Track Edition Catback Exhaust Performance Mid Pipes and catbacks feature a precision-engineered x-pipe Catbacks are pure bolt-on for factory-like simplicity Handcrafted from dual 3” U.S.-sourced CNC mandrel-bent .065” wall T304L stainless steel Less is more: clean, straight-through design Perfect fitment, guaranteed AWE No Check Engine Light Guarantee Lifetime warranty (one year on tip finishes)
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Dinan Free Flow Axle-Back Exhaust - Black Tips - F90 M5
Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes
Dinan - Corporate Logo
T#:598402
Part#: D660-0079-BLK
Ships in 5 Business Days
11% off MSRP $ 3,037.99

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

$ 2,699.99 USD
Free Shipping
11% off MSRP
$ 3,037.99

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

$ 2,699.99 USD
Free Shipping
True to form, Dinan has developed this Free Flow stainless exhaust to increasing flow by reducing backpressure, resulting in more power. Best of all, it has a great tone that is aggressive when you want it to be, but pleasant and civilized under normal driving conditions. This system weighs less than the stock system and is constructed out of stainless steel for the quality and performance you'd expect from your BMW.
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Dinan Free Flow Axle-Back Exhaust - Polished Tips - F90 M5
Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes
Dinan - Corporate Logo
T#:598401
Part#: D660-0079
Ships in 7 Business Days
11% off MSRP $ 3,037.99

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

$ 2,699.99 USD
11% off MSRP
$ 3,037.99

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

$ 2,699.99 USD
True to form, Dinan has developed this Free Flow stainless exhaust to increasing flow by reducing backpressure, resulting in more power. Best of all, it has a great tone that is aggressive when you want it to be, but pleasant and civilized under normal driving conditions. This system weighs less than the stock system and is constructed out of stainless steel for the quality and performance you'd expect from your BMW.
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Supersprint - Corporate Logo
T#:588215
Part#: TMSF90M5SS
Back Ordered
Starting at $ 11,530.97 USD
Starting at $ 11,530.97 USD
Supersprint exhaust is widely recognized as the leader in complete exhaust system upgrades - extremely high quality, well designed for optimal flow, and amazing sound. Even at a premium price Supersprint is an unbeatable exhaust system because every aspect is done to such a high level. A Supersprint exhaust rewards you with a terrific sound, long-lasting construction and excellent fitment. The Supersprint sound is very 'European' which fits the sporting sophistication of BMWs perfectly. Most systems are also modular - sections can be added or removed to custom tailor the exhaust sound to your preference. Aside from 'Race' systems, their mufflers meet European noise laws so you get a refined and tuned sound without being excessively loud. Most Supersprint systems are built with larger diameter piping to improve exhaust flow which helps the engine do less work and make more horsepower! Supersprint exhausts generally run at a premium over other systems but no other system on the market can match their quality, performance, or reputation!
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Supersprint - Corporate Logo
T#:582500
Part#: 525204KT
Ships on Dec 30, 2026
$ 8,417.99 USD
$ 8,417.99 USD
Supersprint exhaust is widely recognized as the leader in complete exhaust system upgrades - extremely high quality, well designed for optimal flow, and amazing sound. Even at a premium price Supersprint is an unbeatable exhaust system because every aspect is done to such a high level. A Supersprint exhaust rewards you with a terrific sound, long-lasting construction and excellent fitment. The Supersprint sound is very 'European' which fits the sporting sophistication of BMWs perfectly. Most systems are also modular - sections can be added or removed to custom tailor the exhaust sound to your preference. Aside from 'Race' systems, their mufflers meet European noise laws so you get a refined and tuned sound without being excessively loud. Most Supersprint systems are built with larger diameter piping to improve exhaust flow which helps the engine do less work and make more horsepower! Supersprint exhausts generally run at a premium over other systems but no other system on the market can match their quality, performance, or reputation! DOES NOT INCLUDE EXHAUST TIPS. TIPS MUST BE PURCHASED SEPARATELY.
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AWE - Corporate Logo
T#:589647
Part#: 3020-42069
Ships on Oct 16, 2026
$ 1,485.00 USD
$ 1,485.00 USD
The AWE Track Edition Exhaust in axleback form provides the most cost-effective aggression in the lineup by retaining the M5’s factory mid-section and replacing the rear sections with Track Edition straight pipes. Please note: These versions are known to get rowdy, and may be too much for many. For that reason, this particular version cannot be returned due to sound preference. Prepare yourself. Features: ​Designed, engineered, and manufactured in-house at AWE Available as valved SwitchPath or more unleashed Track Edition Handcrafted from dual 3” U.S.-sourced CNC mandrel-bent .065” wall T304L stainless steel Less is more: clean, straight-through design Perfect fitment, guaranteed AWE No Check Engine Light Guarantee Lifetime warranty (one year on tip finishes)
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AWE Track Edition Axleback Exhaust - F90 M5
2X Entries Into Our F80 M3 Sweepstakes
AWE - Corporate Logo
T#:589649
Part#: GRP-EXH-BWF90M51
Ships on Oct 16, 2026
Starting at $ 1,485.00 USD
Free Shipping
Starting at $ 1,485.00 USD
Free Shipping
AWE has one vision: To unlock performance. AWE has a unique facility where every step, from design to production, is completed within their facilities. This results in state-of-the-art exhausts with unparalleled quality control and top tier performance. The Track Edition Exhaust for your F90 M5 is the most aggressive exhaust offered from AWE. This axle-back delivers a raw sound from your S63 motor, that is sure to turn heads. Choose to upgrade to a cat-back at a later date with the AWE midpipe, or see the alternate listings for a cat-back configuration. Choose from Chrome Silver and Diamond Black finishes. Other Features Include: Designed, engineered, and manufactured in-house at AWE Available as valved SwitchPath™ or more unleashed Track Edition SwitchPath™ and Track Edition Exhausts available as full catback or axleback Performance Mid Pipes available separately Peak gains of 4 hp and 4 ft-lbs of torque at the wheels (SwitchPath™ Catback Exhaust) 20 lb weight savings over stock with the Track Edition Cat-back Exhaust, and 10 lb weight savings with the SwitchPath™ Cat-back Exhaust Performance Mid Pipes and catbacks feature a precision-engineered x-pipe Catbacks are pure bolt-on for factory-like simplicity Handcrafted from dual 3” U.S.-sourced CNC mandrel-bent .065” wall T304L stainless steel Less is more: clean, straight-through design Perfect fitment, guaranteed AWE No Check Engine Light Guarantee Lifetime warranty (one year on tip finishes) 50 State Compliant ​
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XForce - Corporate Logo
T#:28570834
Part#: VKSB01-ECU-MODUL
Ships in 1 Business Day
$ 399.00 USD
Free Shipping on orders $49 and up
BMW Xforce Smartbox Varex Muffler ECU Upgrade Module is the ideal choice for BMW owners seeking to enhance their vehicle's performance. This innovative module seamlessly integrates with the Varex muffler system, allowing for precise control over exhaust sound and performance. With its easy installation process and versatile functionality, it provides an elevated driving experience for BMW enthusiasts.
  • Seamless integration with Varex muffler system
  • Precise control over exhaust sound and performance
  • Easy installation process
  • Versatile functionality for enhanced driving experience
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AWE - Corporate Logo
T#:589650
Part#: 3020-42070
Ships on Oct 16, 2026
$ 1,945.00 USD
$ 1,945.00 USD
If raw and rowdy are your speed, the Track Edition Catback is your dose of steel. The Track Edition Exhaust retains all the engineering and precision of the SwitchPath Exhaust, including the X-pipe and 3” diameter tubing, minus the valves in the rear sections. The result? Constant rumble. Features: Designed, engineered, and manufactured in-house at AWE Available as more unleashed Track Edition Full Cat-back 21 lb weight savings over stock with the Track Edition Catback Exhaust Performance Mid Pipes and catbacks feature a precision-engineered x-pipe Catbacks are pure bolt-on for factory-like simplicity Handcrafted from dual 3” U.S.-sourced CNC mandrel-bent .065” wall T304L stainless steel Less is more: clean, straight-through design Perfect fitment, guaranteed AWE No Check Engine Light Guarantee Lifetime warranty (one year on tip finishes)
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AWE - Corporate Logo
T#:589661
Part#: 3025-42061
Ships on Oct 16, 2026
$ 2,665.00 USD
$ 2,665.00 USD
In axle-back form, the SwitchPath retains the M5’s factory mid-section, coming in right at the rear axle. The AWE Switchpath Axleback Exhaust maintains a 3” diameter, shaves weight from the rear, and retains the factory valve behavior. Features: Designed, engineered, and manufactured in-house at AWE Valved SwitchPath Edition SwitchPath and Track Edition Exhausts available as full catback or axleback Performance Mid Pipes available separately Handcrafted from dual 3” U.S.-sourced CNC mandrel-bent .065” wall T304L stainless steel Less is more: clean, straight-through design Perfect fitment, guaranteed AWE No Check Engine Light Guarantee Lifetime warranty (one year on tip finishes)
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AWE - Corporate Logo
T#:589662
Part#: 3025-43065
Ships on Oct 16, 2026
$ 2,665.00 USD
$ 2,665.00 USD
In axle-back form, the SwitchPath retains the M5’s factory mid-section, coming in right at the rear axle. The AWE Switchpath Axleback Exhaust maintains a 3” diameter, shaves weight from the rear, and retains the factory valve behavior. Features: Designed, engineered, and manufactured in-house at AWE Valved SwitchPath Edition SwitchPath and Track Edition Exhausts available as full catback or axleback Performance Mid Pipes available separately Handcrafted from dual 3” U.S.-sourced CNC mandrel-bent .065” wall T304L stainless steel Less is more: clean, straight-through design Perfect fitment, guaranteed AWE No Check Engine Light Guarantee Lifetime warranty (one year on tip finishes)
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Milltek Sport - Corporate Logo
T#:26538341
Part#: SSXBM117
Ships in 5 Business Days
Sale - Save 10% $ 3,679.99

This product was last offered at the strikethrough price on
09-18-2026

Starting at $ 3,311.76 USD
Sale - Save 10%
$ 3,679.99

This product was last offered at the strikethrough price on
09-18-2026

Starting at $ 3,311.76 USD
Performance to blow your mind, not your ears! Improve performance and your vehicle's sound with this axle-back exhaust system from Milltek. This axle-back exhaust system features 80mm (3.15") T304 stainless steel construction, with quad 100mm (4") exhaust tips available in multiple finishes. With in-house production and engineering in the United Kingdom, they have been designing and developing exhaust systems for over 32 years. This experience has helped put Milltek on the map when it comes to performance exhausts, with offerings that range from Audi/Volkswagen to Porsche, BMW, and even Bentley. But, they don't stop there. Milltek has also made its presence felt in the motorsport community. Through partnerships with various race teams throughout the world, Milltek has gathered feedback on ways to improve their systems from enthusiasts at every level. Constructed of type-304 aircraft-grade stainless steel, the quality is top-notch. To take it a step further, Milltek offers a lifetime warranty to the original purchaser.
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AWE - Corporate Logo
T#:589648
Part#: 3020-43077
Ships on Oct 16, 2026
$ 1,485.00 USD
$ 1,485.00 USD
The AWE Track Edition Exhaust in axleback form provides the most cost-effective aggression in the lineup by retaining the M5’s factory mid-section and replacing the rear sections with Track Edition straight pipes. Please note: These versions are known to get rowdy, and may be too much for many. For that reason, this particular version cannot be returned due to sound preference. Prepare yourself. Features: ​Designed, engineered, and manufactured in-house at AWE Available as valved SwitchPath™ or more unleashed Track Edition SwitchPath™ and Track Edition Exhausts available as full catback or axleback Performance Mid Pipes available separately Peak gains of 4 hp and 4 ft-lbs of torque at the wheels (SwitchPath™ Catback Exhaust) 20 lb weight savings over stock with the Track Edition Cat-back Exhaust, and 10 lb weight savings with the SwitchPath™ Cat-back Exhaust Performance Mid Pipes and catbacks feature a precision-engineered x-pipe Catbacks are pure bolt-on for factory-like simplicity Handcrafted from dual 3” U.S.-sourced CNC mandrel-bent .065” wall T304L stainless steel Less is more: clean, straight-through design Perfect fitment, guaranteed AWE No Check Engine Light Guarantee Lifetime warranty (one year on tip finishes)
Show More Show Less
AWE SwitchPath Axleback Exhaust - F90 M5
2X Entries Into Our F80 M3 Sweepstakes
AWE - Corporate Logo
T#:589655
Part#: GRP-EXH-BWF90M53
Ships on Oct 16, 2026
Starting at $ 2,665.00 USD
Free Shipping
Starting at $ 2,665.00 USD
Free Shipping
The SwitchPath Exhaust for your F90 M5 is a versatile system that responds to the exhaust valve commands sent from your BMW ECU. This allows you to manipulate the level of sound output using the different BMW driving modes. Select the comfort mode for those early mornings in the neighborhood, and sport mode when you're ready to unleash all of the power and sound. This exhaust delivers a fine-tuned sound from your S63 motor, that is sure to turn heads. Choose from Chrome Silver and Diamond Black tip finishes. Also choose to upgrade to a cat-back at a later date with the AWE midpipe, or see the alternate listings for a cat-back configuration. A Valved exhaust from the rear axle, back.
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AWE SwitchPath-to-Track Conversion Kit
2X Entries Into Our F80 M3 Sweepstakes
AWE - Corporate Logo
T#:589909
Part#: 3820-41012
Back Ordered
5% off MSRP $ 678.99

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

$ 645.00 USD
5% off MSRP
$ 678.99

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

$ 645.00 USD
Remove all restrictions and pathways. This track edition conversion will allow for an unobstructed exhaust note, increasing the overall volume of your system. By removing the valves, the exhaust is able to breathe to it's fullest extent at all times.
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AWE Track-to-SwitchPath Conversion Kit
2X Entries Into Our F80 M3 Sweepstakes
AWE - Corporate Logo
T#:589910
Part#: 3825-41000
Ships on Oct 16, 2026
5% off MSRP $ 1,942.99

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

$ 1,845.00 USD
5% off MSRP
$ 1,942.99

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

$ 1,845.00 USD
Control your exhaust volume with Valves. The SwitchPath system works with the BMW driving modes to open or close the valves on your muffler. This will allow you to keep your exhaust tame for those early mornings while still having access to an unrestricted note with the push of a button.
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