BMW Axleback Exhaust for BMW 3 Series G20 (2019+)

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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#:18302480
Part#: AWEG2X30IAB
Ships on Oct 29, 2026
Starting at $ 795.00 USD
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Starting at $ 795.00 USD
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Lightweight, straight-pipe track exhaust delivers raw volume and uncompromised flow.
Turner Motorsport - Corporate Logo
T#:42672215
Part#: 044826LA
In Stock
Sale - Save 15% $ 571.99

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

Starting at $ 485.55 USD
Free Shipping
Sale - Save 15%
$ 571.99

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

Starting at $ 485.55 USD
Free Shipping

Let’s be honest—what’s the point of owning a B58-powered BMW if you can’t hear it? The factory M340i and M440i rear muffler assembly is oversized, heavy, and overly restrictive, muting the deep, aggressive tone the B58 engine was designed to produce. Our Muffler Delete System is the perfect solution for enthusiasts looking to unleash that signature turbocharged inline-six sound without the cost of a full cat-back system.

Engineered and manufactured in-house, this system replaces the factory rear muffler with a free-flowing, TIG-welded 304 stainless steel setup designed to enhance tone, reduce weight, and maintain OE-level fitment and quality. At the front, 3" primary tubing mates seamlessly to your factory midpipe using a durable stainless steel sleeve clamp. At the rear axle, the primary tubing transitions to dual 2.5" adjustable tailpipe sections for a clean, yet aggressive look. These tailpipe sections merge to quad outlets, designed for compatibility with our selection of 3.5" exhaust tips, allowing you to tailor the system's appearance to your liking. Accuseal-style, slip-fit joints allow for easy adjustment, ensuring perfect tip placement inside the factory rear diffuser. The result? A more engaging exhaust note and a clean, motorsport-inspired appearance that transforms your BMW’s personality both visually and acoustically.

Features & Benefits

TIG-welded 3" primary tubing transitions to dual 2.5" adjustable tip sections for a bold, refined look Accuseal slip-fit joints offer full adjustability for precise alignment and perfect tip placement Direct-fit design connects to the factory exhaust at OE cut points using the original sleeve clamps Quad 2.5" tip outlets compatible with Turner tip options in Brushed Aluminum, Black Chrome, or Mirror Chrome Utilizes factory exhaust hangers for a clean, bolt-on installation—no cutting or drilling required Kit Contents:

Mid-Pipes (Left & Right) Crossover Pipes (Left & Right) Tail-Pipes (Left & Right) Logo Bracket & Hardware (2) Accuseal-Style Exhaust Clamps (2) Sleeve Exhaust Clamps (4) Turner Motorsport 3.5" Tips – Choose Your Finish! Product Development

Our G2X M340/M440 Muffler Delete Kit was designed, engineered, tested, and quality-inspected in-house to ensure the highest level of precision and quality through leading-edge product development technology.

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AWE Track Edition Axleback Exhaust - Diamond Black
2X Entries Into Our F80 M3 Sweepstakes
AWE - Corporate Logo
T#:18302470
Part#: 3020-33429
In Stock
$ 795.00 USD
$ 795.00 USD
The AWE Track Edition Axleback Exhaust for the BMW G2X 330i / 430i is a high-performance exhaust system engineered to provide an aggressive and exhilarating exhaust note. As part of AWE’s Track Edition lineup, this system is tailored for enthusiasts seeking a loud, raw, and deep exhaust sound without restrictions. Key Features of the AWE Track Edition Axleback Exhaust: Bold, Unfiltered Sound Produces a deep, aggressive, and high-volume exhaust note with a distinct tone. Designed for those who want maximum presence and intensity without mufflers reducing sound. Lightweight & High-Flow Design Straight-through, muffler-delete configuration optimizes airflow and minimizes backpressure. Lighter than the factory exhaust, enhancing responsiveness and driving dynamics. Superior Build Quality Constructed from T304 stainless steel, ensuring exceptional durability and corrosion resistance. Precision mandrel-bent tubing delivers smooth, unrestricted exhaust flow. Sleek & Customizable Appearance Available with 102mm Chrome Silver or Diamond Black tips to complement your BMW’s style. Designed to fit perfectly within the stock rear bumper cutouts. Easy, Bolt-On Installation Direct-fit design requires no cutting or welding. Fully compatible with factory components and integrates effortlessly with AWE’s Mid-Pipe and Touring Edition Exhaust for additional upgrades. Ideal for Enthusiasts Who Want: ✅ A loud, aggressive, and motorsport-inspired exhaust tone ✅ A lighter, high-flow system for improved performance ✅ A straight-pipe experience with no mufflers ✅ A premium, well-crafted aftermarket exhaust Important Considerations: Much louder than stock—may not be ideal for those who prefer minimal cabin noise. Best used alongside other AWE exhaust components for a complete performance setup. The AWE Track Edition Axleback Exhaust transforms the G20 330i / G22 430i, delivering a pure, race-inspired exhaust tone that makes a statement both on the road and at the track. 🔥🔊
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Dinan Free Flow Axle-Back Exhaust - Black Tips - G20 M340
Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes
Dinan - Corporate Logo
T#:598404
Part#: D660-0085-BLK
Ships in 2 Business Days
Sale - Save 10% $ 2,399.99

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

$ 2,159.96 USD
Sale - Save 10%
$ 2,399.99

This product was last offered at the strikethrough price on
09-29-2026

$ 2,159.96 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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AWE - Corporate Logo
T#:18302469
Part#: 3020-32429
Ships on Oct 30, 2026
$ 795.00 USD
$ 795.00 USD

AWE Track Edition Axleback Exhaust - Chrome Silver | BMW G20 330i/330i xDrive delivers an aggressive exhaust note while maximizing performance and reducing weight. Engineered specifically for the BMW G20 330i and 330i xDrive, this axleback system is designed to enhance both sound and power, making it the ultimate upgrade for enthusiasts seeking a bold, track-inspired tone.

  • Aggressive track-inspired exhaust tone for an exhilarating driving experience
  • 50-state emissions legal for worry-free compliance
  • AWE’s patented 180 Technology® in Touring Edition cancels drone for refined acoustics
  • Dyno-proven gains of +8 hp and +10 lb-ft of torque at the wheels
  • CNC mandrel-bent 3” T304L stainless steel construction for durability and performance
  • OEM sleeve clamp included for easy conversion back to stock exhaust
  • AWE Valve Simulator Brackets included to eliminate error codes
  • Dual 4.5” exhaust tips available in chrome silver or diamond black for a custom look
  • Lightweight design: Track Edition at 17 lbs, Touring Edition at 30.5 lbs, stock exhaust at 34.5 lbs
  • Straight-through design maximizes flow and power while reducing restrictions
  • Backed by AWE’s Perfect Fitment Guarantee, No CEL Guarantee, and Lifetime Warranty
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AWE Touring Edition Axleback Exhaust - Diamond Black
2X Entries Into Our F80 M3 Sweepstakes
AWE - Corporate Logo
T#:18302472
Part#: 3015-33429
Ships on Oct 30, 2026
$ 1,145.00 USD
$ 1,145.00 USD

Genuine BMW M Performance - Corporate Logo
T#:1484046
Part#: 18302464492
Ships in 1-2 days
2% off MSRP $ 2,830.00

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

$ 2,769.99 USD
Free Shipping
2% off MSRP
$ 2,830.00

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

$ 2,769.99 USD
Free Shipping
Valvetronic Designs Valved Axle-Back Exhaust System - Brushed Steel T...
For 2019-2024 Model Years - Will Fit 2025+ Models With Modifications
Valvetronic Designs - Corporate Logo
T#:53044095
Part#: G20330IAXLBRBRSH
Ships in 1 Business Day
New Item
$ 1,259.99 USD
Free Shipping
$ 1,259.99 USD
Free Shipping
The Valvetronic Designs Valved Axle-Back for the BMW G2X platform brings the next evolution in sound customization. Inspired by our renowned F-Chassis systems, this setup offers the flexibility to run OEM valve integration, pair with additional exhaust modifications, or enjoy as a standalone upgrade—all without compromising on fit, finish, or tone. TIG-welded from T304 stainless steel and designed to utilize factory mounting points and cut locations, the system delivers an OEM+ installation and appearance, with 3.5" tips perfectly filling the rear bumper.
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Active Autowerke - Corporate Logo
T#:5886951
Part#: 11-089
Ships in 10 Business Days
5% off MSRP $ 1,999.00

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

$ 1,899.99 USD
Free Shipping
5% off MSRP
$ 1,999.00

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

$ 1,899.99 USD
Free Shipping
At Active Autowerke, it's not ONLY about making as much power as possible but to maximize the enjoyment of the drive. For 40 years, power has been the end result of improved performance due to our relentless desire to develop a refined, quality product. This philosophy behind our performance parts is best represented by one of the newest additions to our G2X/G3X BMW M340i and M440i collection. The Active Autowerke M340i/M440i rear exhaust was carefully engineered to eliminate the overly quiet sound of the factory M340i and M440i exhaust, while also allowing for optimum flow and resonance by reusing the actuator from the BMW valve. Every effort was made in addressing the not so appeasing sound of the stock OEM exhaust, but in designing an exhaust worthy for the BMW 'M' badge. We believe our rear exhaust offers the best combination of sound and performance versus other systems on the market today. Available for both models, this axle-back exhaust gives your BMW the deep, throaty, growl a car of its caliber should have had from the factory! Features: Made in the USA 304 Stainless Steel Low, Deep Sound with stock Valve Control Each exhaust test-fit on the M340i/M440i Exhaust Fixture Guaranteed to fit all G-series M340i and M440i Includes all necessary installation hardware
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Dinan Valved Axleback Exhaust - Black - G20, G22
Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes
Dinan - Corporate Logo
T#:8965601
Part#: D660-0091-BLK
Back Ordered
10% off MSRP $ 1,849.99

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

$ 1,663.99 USD
Free Shipping
10% off MSRP
$ 1,849.99

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

$ 1,663.99 USD
Free Shipping
The Dinan G20 330i / G22 430i exhaust grants the B46/B48 4-cylinder improved exhaust flow by reducing back pressure, and also creates a deeper and fuller note, without any added drone or other negative side effects.. The goal of OEM+ and then some. Utilizing factory cut points and mounting mechanics this Dinan exhaust system is a straightforward install with fitment like you would expect from the manufacturer. Going from the plebeian stock dual slash cut 90mm (3.5") tips to the massive Dinan straight cut 102mm (4") ones leaves no doubt that something above and beyond is present. This is solidified by the Dinan logo laser engraved on the tips and the deep growl of the exhaust that is indisputably different than anything one would expect to hear from a base 4-cylinder turbo platform. For those that wish to have options to limit the soundtrack for late night or early morning arrivals/departures, factory valve control is retained. No matter the situation the Dinan valved axle back exhaust system is the answer for the discerning enthusiast looking for performance without sacrifice. Max HP Gain4 @ 6600 RPM - Max Torque (lb-ft) Gain3 @ 6600 RPM Features: Enjoyably louder, sportier sound Drone abatement technologies used to reduce cabin resonance Dual 4" (102mm) double-walled, black ceramic coated clamp-on tips with laser engraved Dinan logo Larger diameter piping for increased flow (85mm to dual 60mm vs. 85mm to dual 83mm) 100% 304 Stainless Steel construction Retains factory valve control Factory-like fitment with included mounting hardware
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Turner Motorsport Valved Cat Back Kit - G2X 330i/430i
10X Entries Into Our F80 M3 Sweepstakes
Turner Motorsport - Corporate Logo
T#:58782357
Part#: 055838LA01
In Stock
New Item
Sale - Save 8% $ 932.99

This product was last offered at the strikethrough price on
10-01-2026

Starting at $ 855.65 USD
Free Shipping
Sale - Save 8%
$ 932.99

This product was last offered at the strikethrough price on
10-01-2026

Starting at $ 855.65 USD
Free Shipping
Transform your BMW G20 330 from a muted daily commuter into a track-inspired performance machine with the Turner Motorsport Valved Cat-Back Exhaust System. Designed for enthusiasts who demand zero compromises between refined streetability and an aggressive tone, this cat-back system maximizes exhaust flow while giving you complete control over your vehicle's voice. Built from heavy-duty 80mm mandrel-bent 304 stainless steel piping, it minimizes backpressure to help your engine breathe freely.
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Turner Motorsport Muffler Delete Kit - G2X 330i/430i
10X Entries Into Our F80 M3 Sweepstakes
Turner Motorsport - Corporate Logo
T#:58234544
Part#: 044850LA02
In Stock
New Item
Starting at $ 596.56 USD
Free Shipping
Starting at $ 596.56 USD
Free Shipping

Let’s be honest—what’s the point of owning a B48-powered BMW if you can’t hear it? The factory G2X 330i/430i rear muffler assembly is oversized, heavy, and overly restrictive, muting the deep, aggressive tone that your engine was designed to produce. Our Muffler Delete System is the perfect solution for enthusiasts looking to unleash that signature turbocharged soundtrack without the cost of a full cat-back system.

Engineered and manufactured in-house, this system replaces the factory rear muffler with a free-flowing, TIG-welded 304 stainless steel setup designed to enhance tone, reduce weight, and maintain OE-level fitment and quality. At the front, 3" primary tubing mates seamlessly to your factory midpipe using a durable stainless steel sleeve clamp. At the rear axle, the primary tubing transitions to dual 3" adjustable tailpipe sections for a clean, yet aggressive look. These tailpipe sections offer compatibility with our suite of 4" exhaust tips, allowing you to tailor the system's appearance to your liking. Accuseal-style, slip-fit joints allow for easy adjustment, ensuring perfect tip placement inside the factory rear diffuser. The result? A more engaging exhaust note and a clean, motorsport-inspired appearance that transforms your BMW’s personality both visually and acoustically.

Show More Show Less


AWE Touring Edition Axleback Exhaust - Chrome Silver
2X Entries Into Our F80 M3 Sweepstakes
AWE - Corporate Logo
T#:18302471
Part#: 3015-32429
Ships on Oct 29, 2026
$ 1,145.00 USD
$ 1,145.00 USD
Supersprint - Corporate Logo
T#:5901273
Part#: 049926
Ships on Jan 14, 2027
$ 3,497.99 USD
Free Shipping
$ 3,497.99 USD
Free Shipping
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 preferance. 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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AWE - Corporate Logo
T#:54816267
Part#: AWEG2X30ITAB
Ships on Oct 29, 2026
New Item
Starting at $ 1,470.00 USD
Starting at $ 1,470.00 USD
Sophisticated, drone-free B48 performance exhaust built for daily track commuters.

Supersprint - Corporate Logo
T#:5901268
Part#: 049224
Ships on Jan 14, 2027
$ 2,477.99 USD
Free Shipping
$ 2,477.99 USD
Free Shipping
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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Valvetronic Designs Valved Axle-Back Exhaust System - Black Tips - BM...
For 2019-2024 Model Years - Will Fit 2025+ Models With Modifications
Valvetronic Designs - Corporate Logo
T#:53044094
Part#: G20330IAXLBRBLK
Ships in 1 Business Day
New Item
$ 1,259.99 USD
Free Shipping
$ 1,259.99 USD
Free Shipping
The Valvetronic Designs Valved Axle-Back for the BMW G2X platform brings the next evolution in sound customization. Inspired by our renowned F-Chassis systems, this setup offers the flexibility to run OEM valve integration, pair with additional exhaust modifications, or enjoy as a standalone upgrade—all without compromising on fit, finish, or tone. TIG-welded from T304 stainless steel and designed to utilize factory mounting points and cut locations, the system delivers an OEM+ installation and appearance, with 3.5" tips perfectly filling the rear bumper.
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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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Milltek Sport - Corporate Logo
T#:637517
Part#: SSXBM115X
Ships on Oct 30, 2026
Starting at $ 2,134.99 USD
Starting at $ 2,134.99 USD
Valvetronic Designs Valved Axle-Back Exhaust System - Forged Carbon F...
For 2019-2024 Model Years - Will Fit 2025+ Models With Modifications
Valvetronic Designs - Corporate Logo
T#:53044097
Part#: G20330IAXLBRFC
Ships in 1 Business Day
New Item
$ 1,259.99 USD
Free Shipping
$ 1,259.99 USD
Free Shipping
The Valvetronic Designs Valved Axle-Back for the BMW G2X platform brings the next evolution in sound customization. Inspired by our renowned F-Chassis systems, this setup offers the flexibility to run OEM valve integration, pair with additional exhaust modifications, or enjoy as a standalone upgrade—all without compromising on fit, finish, or tone. TIG-welded from T304 stainless steel and designed to utilize factory mounting points and cut locations, the system delivers an OEM+ installation and appearance, with 3.5" tips perfectly filling the rear bumper.
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Valvetronic Designs Valved Axle-Back Exhaust System - Burnt Tips - BM...
For 2019-2024 Model Years - Will Fit 2025+ Models With Modifications
Valvetronic Designs - Corporate Logo
T#:53044096
Part#: G20330IAXLBRBRT
Ships in 1 Business Day
New Item
$ 1,259.99 USD
Free Shipping
$ 1,259.99 USD
Free Shipping
The Valvetronic Designs Valved Axle-Back for the BMW G2X platform brings the next evolution in sound customization. Inspired by our renowned F-Chassis systems, this setup offers the flexibility to run OEM valve integration, pair with additional exhaust modifications, or enjoy as a standalone upgrade—all without compromising on fit, finish, or tone. TIG-welded from T304 stainless steel and designed to utilize factory mounting points and cut locations, the system delivers an OEM+ installation and appearance, with 3.5" tips perfectly filling the rear bumper.
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Valvetronic Designs Valved Axle-Back Exhaust System - 1x1 Carbon Fibe...
For 2019-2024 Model Years - Will Fit 2025+ Models With Modifications
Valvetronic Designs - Corporate Logo
T#:39835970
Part#: G20330IAXLBRRC
Ships in 1 Business Day
$ 1,399.00

This product was last offered at the strikethrough price on
04-21-2026

$ 1,259.99 USD
Free Shipping
$ 1,259.99 USD
Free Shipping
The Valvetronic Designs Valved Axle-Back for the BMW G2X platform brings the next evolution in sound customization. Inspired by our renowned F-Chassis systems, this setup offers the flexibility to run OEM valve integration, pair with additional exhaust modifications, or enjoy as a standalone upgrade—all without compromising on fit, finish, or tone. TIG-welded from T304 stainless steel and designed to utilize factory mounting points and cut locations, the system delivers an OEM+ installation and appearance, with 3.5" tips perfectly filling the rear bumper.
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Active Autowerke - Corporate Logo
T#:51110155
Part#: 11-089B
Ships in 10 Business Days
$ 1,956.99 USD
Free Shipping
$ 1,956.99 USD
Free Shipping
Awaken the B58: Active Autowerke G20 M340i / G22 M440i Valved Axle-Back Exhaust From the factory, the G-series M340i and M440i are notoriously quiet, leaving the sonorous B58 inline-six feeling a bit muffled. Active Autowerke’s valved rear exhaust is the solution for enthusiasts who want to bridge the gap between "daily driver" and "motorsport-inspired." This axle-back system was engineered to replace the lackluster stock muffler with a high-flow, 304 stainless steel unit that captures a deep, hearty growl worthy of the BMW 'M' badge. By reusing the factory valve actuator, this system keeps your driving modes functional—providing a refined tone for the commute and a rowdy, unrestricted bark when you’re in the mood to let it rip. It’s the perfect "OEM+" upgrade that delivers the aggressive sound your BMW should have arrived with. Engineering & Tone Active Autowerke spent months fine-tuning the resonance of this system to ensure it provides a low-frequency rumble without the high-pitched rasp found in cheaper alternatives. Valved Versatility: Retains full integration with your factory BMW drive modes (Eco, Comfort, Sport). High-Flow Design: Maximizes exhaust gas scavenging for improved throttle response and midrange punch. Aggressive Styling: Available with quad tips to fill out the rear diffuser and provide a menacing track-ready look. Key Features: Hand-Built Quality: Fabricated in the USA from premium T304 Stainless Steel. Precision Fitment: Every unit is test-fitted on a dedicated G-series fixture to guarantee a perfect bolt-on install. Motorsport-Inspired Sound: Replaces the whisper-quiet factory muffler with a deep, throaty signature note. All-Inclusive Kit: Includes all necessary clamps and hardware for a straightforward installation. Specifications: Material: Mandrel-bent 304 Stainless Steel Type: Valved Axle-Back (Requires cutting of factory mid-pipe for installation) Valve Operation: Compatible with OEM BMW actuator Vehicle Fitment: * 2019+ BMW M340i / M340i xDrive (G20) 2021+ BMW M440i / M440i xDrive (G22/G23/G26)
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Active Autowerke - Corporate Logo
T#:51110154
Part#: 11-089C
Ships in 10 Business Days
$ 2,374.99 USD
Free Shipping
$ 2,374.99 USD
Free Shipping
Awaken the B58: Active Autowerke G20 M340i / G22 M440i Valved Axle-Back Exhaust From the factory, the G-series M340i and M440i are notoriously quiet, leaving the sonorous B58 inline-six feeling a bit muffled. Active Autowerke’s valved rear exhaust is the solution for enthusiasts who want to bridge the gap between "daily driver" and "motorsport-inspired." This axle-back system was engineered to replace the lackluster stock muffler with a high-flow, 304 stainless steel unit that captures a deep, hearty growl worthy of the BMW 'M' badge. By reusing the factory valve actuator, this system keeps your driving modes functional—providing a refined tone for the commute and a rowdy, unrestricted bark when you’re in the mood to let it rip. It’s the perfect "OEM+" upgrade that delivers the aggressive sound your BMW should have arrived with. Engineering & Tone Active Autowerke spent months fine-tuning the resonance of this system to ensure it provides a low-frequency rumble without the high-pitched rasp found in cheaper alternatives. Valved Versatility: Retains full integration with your factory BMW drive modes (Eco, Comfort, Sport). High-Flow Design: Maximizes exhaust gas scavenging for improved throttle response and midrange punch. Aggressive Styling: Available with quad tips to fill out the rear diffuser and provide a menacing track-ready look. Key Features: Hand-Built Quality: Fabricated in the USA from premium T304 Stainless Steel. Precision Fitment: Every unit is test-fitted on a dedicated G-series fixture to guarantee a perfect bolt-on install. Motorsport-Inspired Sound: Replaces the whisper-quiet factory muffler with a deep, throaty signature note. All-Inclusive Kit: Includes all necessary clamps and hardware for a straightforward installation. Specifications: Material: Mandrel-bent 304 Stainless Steel Type: Valved Axle-Back (Requires cutting of factory mid-pipe for installation) Valve Operation: Compatible with OEM BMW actuator Vehicle Fitment: * 2019+ BMW M340i / M340i xDrive (G20) 2021+ BMW M440i / M440i xDrive (G22/G23/G26)
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Genuine BMW M Performance - Corporate Logo
T#:578119
Part#: 18302464496
Ships in 1-2 days
2% off MSRP $ 2,830.00

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

$ 2,769.99 USD
2% off MSRP
$ 2,830.00

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

$ 2,769.99 USD
The M Performance Titanium Exhaust System creates a sound that brings the racetrack straight to the road. The premium styling also gives your 3 Series an unmistakably sporty appearance.
Dinan Valved Axel Back Exhaust - Polished Tips - G20, G22
Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes
Dinan - Corporate Logo
T#:8965599
Part#: D660-0091
Ships on Nov 4, 2026
Sale - Save 10% $ 1,849.99

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

$ 1,664.96 USD
Free Shipping
Sale - Save 10%
$ 1,849.99

This product was last offered at the strikethrough price on
09-29-2026

$ 1,664.96 USD
Free Shipping
For those that wish to have options to limit the soundtrack for late night or early morning arrivals/departures, factory valve control is retained. No matter the situation the Dinan valved axle back exhaust system is the answer for the discerning enthusiast looking for performance without sacrifice. The Dinan G20 330i / G22 430i exhaust grants the B46/B48 4-cylinder improved exhaust flow by reducing back pressure, and also creates a deeper and fuller note, without any added drone or other negative side effects.. The goal of OEM+ and then some. This Dinan exhaust system is a straightforward install with fitment like you would expect from the manufacturer using factory cut points and mounting mechanics. Going from the plebeian stock dual slash cut 90mm (3.5") tips to the massive Dinan straight cut 102mm (4") ones leaves no doubt that something above and beyond is present. This is solidified by the Dinan logo laser engraved on the tips and the deep growl of the exhaust that is indisputably different than anything one would expect to hear from a base 4-cylinder turbo platform. Features: Maximum gains of +4 HP and +3 ft-lb of torque Enjoyably louder, sportier sound Drone abatement technologies used to reduce cabin resonance Dual 4" (102mm) double-walled, polished clamp-on tips with laser engraved Dinan logo Larger diameter piping for increased flow (85mm to dual 60mm vs. 85mm to dual 83mm) 100% 304 Stainless Steel construction Retains factory valve control Factory-like fitment with included mounting hardware
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Dinan Free Flow Axle-Back Exhaust - Polished Tips - G20 M340 ...
Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes
Dinan - Corporate Logo
T#:598403
Part#: D660-0085
Ships in 5 Business Days
Sale - Save 10% $ 2,349.99

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

$ 2,114.96 USD
Free Shipping
Sale - Save 10%
$ 2,349.99

This product was last offered at the strikethrough price on
09-29-2026

$ 2,114.96 USD
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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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