BMW Axleback Exhaust for BMW 4 Series G22 (2021+)

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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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Akrapovic Evolution Line Exhaust With Carbon Tips - G22/G23 M440i
Akrapovic Evolution Line Exhaust With Carbon Tips - G22/G23 M440i ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Akrapovic - Corporate Logo
T#:2706134
Part#: S-BM/T/18H
Back Ordered
$ 7,546.99 USD
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$ 7,546.99 USD
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This is a high-grade lightweight titanium system, finished with hand-crafted carbon-fiber tailpipes and a high-grade austenitic stainless steel link pipe set. The valves on each side are calculated to tailor the sound, and two acoustic reflectors are fitted on the tailpipes to guide the sound into the car’s cabin. Because the Akrapovič Evolution Line (Titanium) exhaust system has two valves, one more than the stock configuration, a TNG controller is included in the product to activate the additional exhaust valve. To make the sound experience even more unique, there are two tuned resonators – developed especially for this new engine – producing a deep, rich, and sporty sound with no unwanted drone or streaming, perfectly aligned with the straight six-cylinder engine. It weighs 21.7 kg, which is 23% lighter than stock. Power gains of 11.8 hp at 5,600 rpm and torque increases of 17.1 Nm at 4,100 rpm were recorded when tested on the Akrapovič dyno
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Valvetronic Designs Valved Axle-Back Exhaust System - Burnt Tips - BMW G20 330i, G22 430i
Valvetronic Designs Valved Axle-Back Exhaust System - Burnt Tips - BM...
For 2019-2024 Model Years - Will Fit 2025+ Models With Modifications
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Valvetronic Designs - Corporate Logo
T#:53044096
Part#: G20330IAXLBRBRT
Ships in 1 Business Day
New Item
$ 1,259.99 USD
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$ 1,259.99 USD
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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 - Forged Carbon Fiber Tips - BMW G20 330i, G22 430i
Valvetronic Designs Valved Axle-Back Exhaust System - Forged Carbon F...
For 2019-2024 Model Years - Will Fit 2025+ Models With Modifications
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Valvetronic Designs - Corporate Logo
T#:53044097
Part#: G20330IAXLBRFC
Ships in 1 Business Day
New Item
$ 1,259.99 USD
Free Shipping
Add to Wish List
$ 1,259.99 USD
Free Shipping
Add to Wish List
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 Fiber Tips - BMW G20 330i, G22 430i
Valvetronic Designs Valved Axle-Back Exhaust System - 1x1 Carbon Fibe...
For 2019-2024 Model Years - Will Fit 2025+ Models With Modifications
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
Add to Wish List
$ 1,259.99 USD
Free Shipping
Add to Wish List
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 - Black Tips - BMW G20 330i, G22 430i
Valvetronic Designs Valved Axle-Back Exhaust System - Black Tips - BM...
For 2019-2024 Model Years - Will Fit 2025+ Models With Modifications
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Valvetronic Designs - Corporate Logo
T#:53044094
Part#: G20330IAXLBRBLK
Ships in 1 Business Day
New Item
$ 1,259.99 USD
Free Shipping
Add to Wish List
$ 1,259.99 USD
Free Shipping
Add to Wish List
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 - Brushed Steel Tips - BMW G20 330i, G22 430i
Valvetronic Designs Valved Axle-Back Exhaust System - Brushed Steel T...
For 2019-2024 Model Years - Will Fit 2025+ Models With Modifications
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Valvetronic Designs - Corporate Logo
T#:53044095
Part#: G20330IAXLBRBRSH
Ships in 1 Business Day
New Item
$ 1,259.99 USD
Free Shipping
Add to Wish List
$ 1,259.99 USD
Free Shipping
Add to Wish List
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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