Active Autowerke BMW F80 F82 Maad Maxx 3 Can Valved Rear Exhaust Section for M3 and M4
Upgrade your BMW M3 M4 exhaust with the Active Autowerke Maad Maxx 3 Can Valved Rear Exhaust Section. This premium axle-back rear section is designed for the BMW F80 M3, F82 M4 and F83 M4, delivering a deep, aggressive, motorsport-inspired tone with everyday refinement. If you are searching for a BMW F80 M3 exhaust, BMW F82 M4 exhaust, BMW M3 M4 valved exhaust, F8X rear section, or a triple can rear box upgrade for the M3 and M4, this Active Autowerke rear exhaust is the proven choice.
Engineered to remove the flat, buzzy, weed eater rasp of the factory back box while improving exhaust flow and resonance, the Maad Maxx 3 Can valved axle-back gives your M3 or M4 the sound it should have had from factory. Pair it with the Active Autowerke F8X mid-pipe for the deepest tone and superb performance on the market.
At Nforcd, we have installed and run this system on our own and customer cars. Feedback is consistently positive, with owners praising the deep tone, reduced drone and the quality fit and finish. If you want a BMW M3 exhaust upgrade or BMW M4 exhaust upgrade that sounds amazing and fits perfectly, this is it.
Why choose the Active Autowerke Maad Maxx 3 Can Valved Rear Exhaust
- Serious sound for the F80 F82 F83 without the harsh rasp. Expect a low, deep rumble with a refined note.
- Valved rear section for volume control when you want it and civility when you need it.
- Triple canister rear muffler design for superior resonance control and reduced drone.
- Optimised flow axle-back design that complements the F8X platform.
- Perfect fitment guaranteed and test-fitted on an in-house F8X fixture.
Key features
- Made in the USA
- 18+ WHP gain and 30+ LB-FT gain over stock when paired with the Active Autowerke F8X Mid-Pipe
- Quicker turbo spool characteristics
- Low, deep rumble with an aggressive BMW M3 M4 exhaust note
- Flex joints to reduce vibration
- Double-canned muffler design to reduce resonance and drone
- Each exhaust is test-fit on the F8X fixture for precise installation
- Guaranteed to fit F80 BMW M3, F82 BMW M4 and F83 BMW M4
- Includes all necessary installation hardware
Exhaust tip options
- Matte Black tips
- Carbon Fibre tips
- Brushed Stainless Steel tips
Performance gains
Mustang dyno results with full Active Autowerke exhaust system:
- Stock: 380 WHP and 371 WTQ
- Full Active Autowerke Exhaust: 398 WHP and 401 WTQ
- Full Active Autowerke Exhaust run 2: 397 WHP and 398 WTQ
Note. Gains are achieved when pairing this Maad Maxx valved rear section with the Active Autowerke F8X Mid-Pipe.
Compatibility
- BMW F80 M3 2012 to 2015
- BMW F80 M3 LCI 2015 to 2018
- BMW F82 M4 2013 to 2017
- BMW F82 M4 LCI 2016 to 2019
- BMW F83 M4 Convertible 2013 to 2017
- BMW F83 M4 LCI Convertible 2016 to 2019
Ideal search terms. BMW F80 M3 exhaust, BMW F82 M4 exhaust, BMW F83 M4 exhaust, F8X axle-back, F80 rear box, F82 rear silencer, M3 M4 valved exhaust, Active Autowerke Maad Maxx, 3 can exhaust, triple can M3 exhaust, S55 exhaust upgrade, BMW M3 M4 exhaust UK.
Fitment and installation
This is a direct bolt-on rear section and includes all required hardware. Professional installation recommended.
Want it supplied and fitted. Choose Nforcd in Warwickshire for expert BMW M3 M4 exhaust fitting. Request a fitting quote at Sales@nforcd.com.
Quality and assurance
Active Autowerke guarantees precise fitment. Every F8X rear exhaust section is test-fitted on their in-house fixture as part of quality control.
Part number
11-073
Buy with confidence from Nforcd
We are passionate about BMW performance parts and exhaust upgrades. The Active Autowerke Maad Maxx 3 Can Valved Rear Exhaust Section transforms the sound and feel of the F80 M3 and F82 F83 M4 with a premium finish and outstanding drivability. Order your BMW M3 M4 exhaust today.