BMW Catback Exhaust Systems for BMW E92 M3 S65 4.0L

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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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Active Autowerke - Corporate Logo
T#:397446
Part#: 11-015
Ships in 3 Business Days
$ 1,519.99 USD
$ 1,519.99 USD

True performance, durability, and attractive weight advantages with innovative features places the Active Autowerke E9X BMW M3 exhaust in a class of its own. This system is constructed from 100% 304-stainless steel and features adjustable Active Autowerke double walled tips, making it ideal both for 2-door and 4-door models (also allows for cleaner fitment with diffusers).

This system uses factory style flanges making it a complete bolt on system that requires no cutting or welding. The system is a straight-through design providing substantial improvements to gas flow over the factory exhaust.

The sound is unobtrusive, with a rich mellow tone and delivers a solid 5+hp, with key gains in the mid-range. In addition, the Active Autowerke E9X M3 Signature Exhaust system features large 3" piping for maximum exhaust flow while maintaining enough back-pressure to result in horsepower increases across the entire RPM range.

The factory E9X M3 muffler features a Noise Canceling Chamber inside the muffler and Active Autowerke has retained this feature by adding two custom Active Autowerke noise canceling chambers (NCC)on each muffler to reduce/minimize the drone (the 'booming' noise some muffler emit at cruising speeds, ~3500 rpm).

The Active Autowerke E9X M3 Signature Exhaust System provides increase in horsepower, great sound and appearance making it a must for the true M3 enthusiasts.


Features:

  • Large 3-inch mandrel bent piping for maximum flow 
  • Durable, 100% 304 brushed stainless steel 
  • Double-walled 76mm Signature stainless tips
  • Revolutionary NCC -Noise Cancelling Chamber 
  • Adjustable Tips with Embossed Active Autowerke Logo
  • Improved power & torque throughout entire RPM band 
  • Gains of 5+ HP over stock configuration; Additional HP with our programmed software 
  • BMW factory style hardware makes a truly easy installation with no need for cutting or re-welding 
  • Weighs 40 Lbs vs. the factory of 55.1 Lbs.
  • Complete illustrated instruction manual
  • Two year warranty
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Armytrix - Corporate Logo
T#:582572
Part#: BME9M-QS11C
Ships on Sep 14, 2026
$ 2,880.00 USD
Free Shipping
$ 2,880.00 USD
Free Shipping

ARMYTRIX is pleased to present the ultimate exhaust upgrade for the BMW E90/E92 M3. Harvesting the 4.0L S65 V8 full potential through their meticulously engineered T304 stainless steel system; reinvigorating your experience with enhanced performance and sound. Free flowing capability creates a system that handles exhaust with brutal efficiency realizing increased HP and torque. The refinement and amplification of the exhaust note offers a unique ambiance. Achieving true independence and brand new auditory sensations like never before.

ARMYTRIX is once again at the forefront of another revolutionary advancement. Throw out everything you think you knew about installing valve control. The current exhaust aftermarket is flooded with the '-school approach.' The traditional method requires hours of time-consuming and complex wiring works. They have simplified the process, attaching the ARMYTRIX OBDII Module and a few wires to its rightful places; the entire valvetronic comes to life at a press of a button. A pioneer in its field, ARMYTRIX App is a necessary and revolutionary progression of their valvetronic exhaust. Receiving real-time updates, with high data logging rate, you are in sync with the pulse of your vehicle. Keep in touch with the conditions that matter to you. Control the configuration of the valves through the easy-to-operate digital interface. Configuration of the valves is shown by the easy to read display interface. When the Green light is on, the valves are opened. Red indicates valves are closed. Orange means at 3500 rpm the valves will automatically open.

Features:

Power ( HP): 22.3
Torque ( Nm): 22
Weight Saving (-Kg): 11.7
Precision-Crafted T304 Stainless Steel
X-Pipe Vicious Scream and Ferocious Power
View Install Instructions Here
Fitment:

BMW M3 E9x 08-13

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Armytrix - Corporate Logo
T#:582574
Part#: BME9M-QS11M
Ships on Sep 14, 2026
$ 3,180.00 USD
Free Shipping
$ 3,180.00 USD
Free Shipping

ARMYTRIX is pleased to present the ultimate exhaust upgrade for the BMW E90/E92 M3. Harvesting the 4.0L S65 V8 full potential through their meticulously engineered T304 stainless steel system; reinvigorating your experience with enhanced performance and sound. Free flowing capability creates a system that handles exhaust with brutal efficiency realizing increased HP and torque. The refinement and amplification of the exhaust note offers a unique ambiance. Achieving true independence and brand new auditory sensations like never before.

ARMYTRIX is once again at the forefront of another revolutionary advancement. Throw out everything you think you knew about installing valve control. The current exhaust aftermarket is flooded with the '-school approach.' The traditional method requires hours of time-consuming and complex wiring works. They have simplified the process, attaching the ARMYTRIX OBDII Module and a few wires to its rightful places; the entire valvetronic comes to life at a press of a button. A pioneer in its field, ARMYTRIX App is a necessary and revolutionary progression of their valvetronic exhaust. Receiving real-time updates, with high data logging rate, you are in sync with the pulse of your vehicle. Keep in touch with the conditions that matter to you. Control the configuration of the valves through the easy-to-operate digital interface. Configuration of the valves is shown by the easy to read display interface. When the Green light is on, the valves are opened. Red indicates valves are closed. Orange means at 3500 rpm the valves will automatically open.

Features:

Power ( HP): 22.3
Torque ( Nm): 22
Weight Saving (-Kg): 11.7
Precision-Crafted T304 Stainless Steel
X-Pipe Vicious Scream and Ferocious Power
View Install Instructions Here
Fitment:

BMW M3 E9x 08-13

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Armytrix - Corporate Logo
T#:582573
Part#: BME9M-QS11B
Ships on Sep 14, 2026
$ 3,140.00 USD
Free Shipping
$ 3,140.00 USD
Free Shipping

ARMYTRIX is pleased to present the ultimate exhaust upgrade for the BMW E90/E92 M3. Harvesting the 4.0L S65 V8 full potential through their meticulously engineered T304 stainless steel system; reinvigorating your experience with enhanced performance and sound. Free flowing capability creates a system that handles exhaust with brutal efficiency realizing increased HP and torque. The refinement and amplification of the exhaust note offers a unique ambiance. Achieving true independence and brand new auditory sensations like never before.

ARMYTRIX is once again at the forefront of another revolutionary advancement. Throw out everything you think you knew about installing valve control. The current exhaust aftermarket is flooded with the '-school approach.' The traditional method requires hours of time-consuming and complex wiring works. They have simplified the process, attaching the ARMYTRIX OBDII Module and a few wires to its rightful places; the entire valvetronic comes to life at a press of a button. A pioneer in its field, ARMYTRIX App is a necessary and revolutionary progression of their valvetronic exhaust. Receiving real-time updates, with high data logging rate, you are in sync with the pulse of your vehicle. Keep in touch with the conditions that matter to you. Control the configuration of the valves through the easy-to-operate digital interface. Configuration of the valves is shown by the easy to read display interface. When the Green light is on, the valves are opened. Red indicates valves are closed. Orange means at 3500 rpm the valves will automatically open.

Features:

Power ( HP): 22.3
Torque ( Nm): 22
Weight Saving (-Kg): 11.7
Precision-Crafted T304 Stainless Steel
X-Pipe Vicious Scream and Ferocious Power
View Install Instructions Here
Fitment:

BMW M3 E9x 08-13

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Armytrix - Corporate Logo
T#:582575
Part#: BME9M-QC11
Ships on Sep 14, 2026
$ 3,480.00 USD
Free Shipping
$ 3,480.00 USD
Free Shipping

ARMYTRIX is pleased to present the ultimate exhaust upgrade for the BMW E90/E92 M3. Harvesting the 4.0L S65 V8 full potential through their meticulously engineered T304 stainless steel system; reinvigorating your experience with enhanced performance and sound. Free flowing capability creates a system that handles exhaust with brutal efficiency realizing increased HP and torque. The refinement and amplification of the exhaust note offers a unique ambiance. Achieving true independence and brand new auditory sensations like never before.

ARMYTRIX is once again at the forefront of another revolutionary advancement. Throw out everything you think you knew about installing valve control. The current exhaust aftermarket is flooded with the '-school approach.' The traditional method requires hours of time-consuming and complex wiring works. They have simplified the process, attaching the ARMYTRIX OBDII Module and a few wires to its rightful places; the entire valvetronic comes to life at a press of a button. A pioneer in its field, ARMYTRIX App is a necessary and revolutionary progression of their valvetronic exhaust. Receiving real-time updates, with high data logging rate, you are in sync with the pulse of your vehicle. Keep in touch with the conditions that matter to you. Control the configuration of the valves through the easy-to-operate digital interface. Configuration of the valves is shown by the easy to read display interface. When the Green light is on, the valves are opened. Red indicates valves are closed. Orange means at 3500 rpm the valves will automatically open.

Features:

Power ( HP): 22.3
Torque ( Nm): 22
Weight Saving (-Kg): 11.7
Precision-Crafted T304 Stainless Steel
X-Pipe Vicious Scream and Ferocious Power
View Install Instructions Here
Fitment:

BMW M3 E9x 08-13

Show More Show Less