SPDZ1 Carbon Fiber Axle-Back Muffler Exhaust – BMW F30 335i / F32 435i (2012–2016) Enhance the performance, sound, and appearance of your turbocharged BMW with the SPDZ1 Carbon Fiber Axle-Back...
Enhance the performance, sound, and appearance of your turbocharged BMW with the SPDZ1 Carbon Fiber Axle-Back Muffler Exhaust, engineered for the F30 335i and F32 435i platforms. Designed to reduce restriction and weight while delivering a sharper, more aggressive exhaust note, this axle-back system offers a true performance upgrade with a premium motorsport look.
Constructed from high-quality stainless steel piping and finished with real dry carbon fiber exhaust tips, this system dramatically improves exhaust flow and frees up the breathing capability of BMW’s 3.0L turbocharged inline-six. The result is improved throttle response, a deeper exhaust tone, and substantial weight savings compared to the factory muffler assembly.
The carbon tips are secured using a 6-point mounting system, ensuring long-term stability and precise alignment under aggressive driving conditions.
Key Features
Performance axle-back muffler delete design
High-strength stainless steel construction with polished finish
Real dry carbon fiber exhaust tips for a premium motorsport look
6-point carbon tip mounting system to prevent movement
Optimized exhaust routing to increase flow and reduce backpressure
Noticeable improvements in sound, throttle response, and overall performance
Exhaust Tip Specifications
Carbon Fiber Tips: 4.25” outer diameter
Inner Steel Tip: 3.75” outer diameter
Tip Style: Aggressive, race-inspired exit
Piping Specifications
Inlet Diameter: 3.0” ID
Outlet Diameter: 2.25” ID
Construction: Mandrel-bent stainless steel
Weight Savings
Approx. 14 lbs reduction compared to factory mufflers
Total system weight reduction of up to 45 lbs versus OEM exhaust assembly
Installation Notes
Requires cutting of the factory exhaust at the OEM break point
Professional installation is recommended
Installation hardware included
No printed instructions included — reference factory service manual or professional exhaust shop
Vehicle Fitment
BMW F30 335i – 2012–2015
3.0L Twin-Turbo Inline-6
BMW F32 435i – 2014–2016
3.0L Twin-Turbo Inline-6
Why Choose SPDZ1
SPDZ1 exhaust systems combine performance engineering, premium materials, and aggressive design to deliver upgrades enthusiasts can trust. This carbon fiber axle-back system is built for drivers who want reduced weight, improved flow, and a bold exhaust presence.
