BMW Axleback Exhaust for BMW F80 M3 S55 3.0L

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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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Active Autowerke - Corporate Logo
T#:641583
Part#: 11-073
Ships in 10 Business Days
$ 2,374.99 USD
Free Shipping
$ 2,374.99 USD
Free Shipping

Elevate the performance and sound of your BMW F80 M3 or F82 M4 with the Active Autowerke F8X rear exhaust, now available at Turner Motorsport. Crafted with over 30 years of expertise, this exhaust system is designed to eliminate the unflattering factory M3 and M4 exhaust sound while optimizing flow and resonance. The result is a deep, throaty growl, enhancing the overall driving experience. Active Autowerke's dedication to quality is evident in every aspect, from addressing the stock OEM exhaust sound to creating an exhaust worthy of an "M" car. The newly introduced "Max Max" valved version further enhances performance and sound, providing the ultimate solution for BMW enthusiasts.

  • Improved exhaust sound for BMW F80 M3 and F82 M4
  • Optimal flow and resonance
  • "Max Max" valved version for enhanced performance
  • Made in the USA
  • Significant power gains: 18+ WHP and 30+ LB-FT over stock*
  • Quicker turbo spool
  • Low, deep rumble for an enhanced driving experience
  • Flex joints reduce vibration
  • Double-canned muffler reduces resonance
  • Guaranteed fit for all F80 BMW M3/F82 BMW M4
  • Includes all necessary installation hardware
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Active Autowerke - Corporate Logo
T#:6258362
Part#: 11-073B
Ships in 3 Business Days
$ 2,440.99 USD
Free Shipping
$ 2,440.99 USD
Free Shipping
The Active Autowerke F8X rear exhaust was carefully engineered to eliminate the unflattering sound of the factory M3 and M4 exhaust, while also allowing for optimum flow and resonance.
Active Autowerke - Corporate Logo
T#:6924330
Part#: 11-073CFT
Ships in 3 Business Days
$ 2,999.00 USD
Free Shipping
$ 2,999.00 USD
Free Shipping

BMW F8X Maad Maxx Rear Exhaust Section 3 Can Valve - With Carbon Fiber Tips by Active Autowerke redefines performance and sound for your BMW M3 or M4. Engineered to eliminate the factory exhaust's unflattering sound while optimizing flow and resonance, this axle-back exhaust delivers a deep, throaty growl that enhances the car's aggressive profile. The valved design allows for adjustable sound levels, offering both performance and refinement in one package.

  • Enhances exhaust sound with deep, throaty growl
  • Valved design for adjustable sound levels
  • Improves airflow for increased performance
  • Made in the USA with high-quality materials
  • Carbon fiber tips for a stylish finish

Upgrade your BMW F80 M3 or F82 M4 with the Active Autowerke Maad Maxx Rear Exhaust Section for improved performance and a commanding exhaust note.

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AFE - Corporate Logo
T#:9383749
Part#: 49-36338PDK
Ships in 3 Business Days
Sale - Save 10% $ 2,689.00

This product was last offered at the strikethrough price on
09-01-2026

Starting at $ 2,420.10 USD
Sale - Save 10%
$ 2,689.00

This product was last offered at the strikethrough price on
09-01-2026

Starting at $ 2,420.10 USD
This axle-back exhaust system incorporates a factory style exhaust valve which uses the factory exhaust valve motor (not included). The valve helps regulate, direct and control the flow of exhaust gases by opening, closing, or partially closing. DETAILS: Your choice of polished, black, or carbon fiber tips +17 HP and +25 lbs. x ft. Torque max gains Constructed from 100% hand TIG-welded, 2-1/2" to 3" mandrel bent, brushed finished 304 stainless steel tubing Includes a factory style exhaust valve Utilizes a unique high flow, transverse muffler with a high-temp powder-coated metallic black finish Includes Quad, 3-1/2"diameter tips with aFe POWER logo Uses all factory hanger locations for a hassle-free installation
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