AWE BMW Catback Exhaust Systems for BMW G82 M4 S58 3.0L

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Catback Exhaust systems are designed to completely replace everything from your cats all the way back to your exhaust tips. Traditionally, if you are planning on upgrading your entire exhaust system, you will also need headers and downpipes.
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AWE - Corporate Logo
T#:8421601
Part#: 3025-42480
Ships on Oct 16, 2026
$ 3,185.00 USD
Free Shipping
$ 3,185.00 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 SwitchPath Catback Exhaust for the G8X M3/M4 from AWE offers a perfectly balanced and tuned exhaust that will deliver power when needed without droning at cruising speeds. By replacing the factory muffler, you will uncover the pure sound of the S55 engine. This exhaust is perfect for those who want a more aggressive response when getting on the throttle, but don't want to wake up the neighbors. The SwitchPath™ Technology utilizes factory valving and M-Sport button to adjust tone on the fly. Other Features Include: 50-state emissions-complaint dual 3” exhaust configuration AWE's first SwitchPath™ exhaust for BMW incorporating drone-canceling 180 Technology® SwitchPath™ retains factory valve controls, no additional remote needed Fits all factory valence configurations Optional non-resonated performance mid-pipes available separately - See T#8421603 Bespoke X-pipe unlocks a smooth tone out of the S58 Ball socket mounting points for easy installation Max gains of 3 hp and 5 lb-ft of torque at the wheels Quad 4.5” double-walled, slash-cut tips available in chrome silver and diamond black Less is more: clean, straight-through design maximizes performance Manufactured in-house at AWE AWE No CEL Guarantee AWE Perfect Fitment Guarantee AWE Lifetime Warranty
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AWE - Corporate Logo
T#:8421602
Part#: 3025-43480
Ships on Oct 16, 2026
$ 3,185.00 USD
$ 3,185.00 USD
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 SwitchPath Catback Exhaust for the G8X M3/M4 from AWE offers a perfectly balanced and tuned exhaust that will deliver power when needed without droning at cruising speeds. By replacing the factory muffler, you will uncover the pure sound of the S55 engine. This exhaust is perfect for those who want a more aggressive response when getting on the throttle, but don't want to wake up the neighbors. The SwitchPath™ Technology utilizes factory valving and M-Sport button to adjust tone on the fly. Other Features Include: 50-state emissions-complaint dual 3” exhaust configuration AWE's first SwitchPath™ exhaust for BMW incorporating drone-canceling 180 Technology® SwitchPath™ retains factory valve controls, no additional remote needed Fits all factory valence configurations Optional non-resonated performance mid-pipes available separately - See T#8421603 Bespoke X-pipe unlocks a smooth tone out of the S58 Ball socket mounting points for easy installation Max gains of 3 hp and 5 lb-ft of torque at the wheels Quad 4.5” double-walled, slash-cut tips available in chrome silver and diamond black Less is more: clean, straight-through design maximizes performance Manufactured in-house at AWE AWE No CEL Guarantee AWE Perfect Fitment Guarantee AWE Lifetime Warranty
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AWE - Corporate Logo
T#:8421599
Part#: 3020-42482
Ships on Oct 16, 2026
$ 2,155.00 USD
$ 2,155.00 USD
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 Catback Exhaust for the G8X M3/M4 from AWE offers a perfectly balanced and tuned exhaust that will deliver power when needed without droning at cruising speeds. By replacing the factory muffler, you will uncover the pure sound of the S55 engine. This exhaust is perfect for those who want a very aggressive response from their exhaust. Other Features Include: 50-state emissions-complaint dual 3” exhaust configuration Fits all factory valence configurations Optional non-resonated performance mid-pipes available separately - See T#8421603 Track Edition (with mid-pipes*) provides a 22 lb weight savings over the stock exhaust Bespoke X-pipe unlocks a smooth tone out of the S58 Ball socket mounting points for easy installation Max gains of 3 hp and 5 lb-ft of torque at the wheels Quad 4.5” double-walled, slash-cut tips available in chrome silver and diamond black Less is more: clean, straight-through design maximizes performance Manufactured in-house at AWE AWE No CEL Guarantee AWE Perfect Fitment Guarantee AWE Lifetime Warranty
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AWE - Corporate Logo
T#:47199309
Part#: AWEG8XSP
Ships on Oct 15, 2026
Starting at $ 3,185.00 USD
Starting at $ 3,185.00 USD
The SwitchPath Catback Exhaust for the G8X M3/M4 from AWE offers a perfectly balanced and tuned exhaust that will deliver power when needed without droning at cruising speeds. By replacing the factory muffler, you will uncover the pure sound of the S58 engine. This exhaust is perfect for those who want a more aggressive response when getting on the throttle, but don't want to wake up the neighbors. The SwitchPath™ Technology utilizes factory valving and M-Sport button to adjust tone on the fly.
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AWE - Corporate Logo
T#:47199308
Part#: AWEG8XTRK
Ships on Oct 15, 2026
Starting at $ 2,155.00 USD
Starting at $ 2,155.00 USD
Looking to maximize the magnificent roar of your S58? Look no further than the AWE Track Edition exhaust system, engineered for maximum sound and flow! Featuring a precision x-pipe and quality 3" US-sourced stainless steel construction, this exhaust boasts rich and rowdy tones for the true performance enthusiast. Unlike its SwitchPath sibling, the Track Edition exhaust does not incorporate a muffler for an unrestrained roar. Combined with a hefty 13 lbs of weight savings, this system does more than improve flow.
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AWE - Corporate Logo
T#:8421600
Part#: 3020-43482
Ships on Oct 16, 2026
$ 2,155.00 USD
$ 2,155.00 USD
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 Catback Exhaust for the G8X M3/M4 from AWE offers a perfectly balanced and tuned exhaust that will deliver power when needed without droning at cruising speeds. By replacing the factory muffler, you will uncover the pure sound of the S55 engine. This exhaust is perfect for those who want a very aggressive response from their exhaust. Other Features Include: 50-state emissions-complaint dual 3” exhaust configuration Fits all factory valence configurations Optional non-resonated performance mid-pipes available separately - See T#8421603 Track Edition (with mid-pipes*) provides a 22 lb weight savings over the stock exhaust Bespoke X-pipe unlocks a smooth tone out of the S58 Ball socket mounting points for easy installation Max gains of 3 hp and 5 lb-ft of torque at the wheels Quad 4.5” double-walled, slash-cut tips available in chrome silver and diamond black Less is more: clean, straight-through design maximizes performance Manufactured in-house at AWE AWE No CEL Guarantee AWE Perfect Fitment Guarantee AWE Lifetime Warranty
Show More Show Less

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