SPDZ1 Polished Tip Axle Back Muffler Exhaust for BMW F30 F32 335i 435i 2012-2016
Enhance the performance, sound, and appearance of your turbocharged BMW with the SPDZ1 Polished Tip 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 polished 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.
Performance axle-back muffler delete design
High-strength stainless steel construction with polished finish
Polished 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
Polished Tips: 4.25” outer diameter
Inner Steel Tip: 3.75” outer diameter
Tip Style: Aggressive, race-inspired exit
Inlet Diameter: 3.0” ID
Outlet Diameter: 2.25” ID
Construction: Mandrel-bent stainless steel
Approx. 14 lbs reduction compared to factory mufflers
Total system weight reduction of up to 45 lbs versus OEM exhaust assembly
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
BMW F30 335i – 2012–2015
3.0L Twin-Turbo Inline-6
BMW F32 435i – 2014–2016
3.0L Twin-Turbo Inline-6
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.
Made with care and unconditionally loved by our customers, this signature bestseller exceeds all expectations.
Made with care and unconditionally loved by our customers, this signature bestseller exceeds all expectations.
At the heart of every product lies a unique story, driven by our passion for quality and innovation. Each item enhances your everyday life and sparks joy.
