Dinan Free Flow Axle-Back Exhaust | F30 · F34 335i · F32 · F33 · F36 435i | 3.0L Turbo I6 [N55] MK5 Supra (A90) 2.0L Turbo I4 [B48] Stage 1 - 65a durometer

Stage 1 - 65a durometer

Data-logging (Windows 10+ laptop)

When this volume exceeds the efficiency of the regulator dump at the pre-set spring rate higher pressures than target regulator pressure can be seen

Add instant horsepower and torque with an aggressive sound to your MK5 GTI & Jetta and MK6 Golf R 2

but that's not always possible for all vehicles and every budget

Dinan Free Flow Axle-Back Exhaust | F30 · F34 335i · F32 · F33 · F36 435i | 3.0L Turbo I6 [N55] MK5 Supra (A90) 2.0L Turbo I4 [B48] Stage 1 - 65a durometerDinan engineers designed the F30 335i and F32 435i exhaust to improve exhaust flow by reducing back pressure, resulting in increased power output and a great sporty sound that is civilized when you want it to be, and pleasantly aggressive under hard acceleration. Dinan also incorporates a Helmholtz chamber design that reduces resonance or "drone" at low RPM. The system is built to exacting specifications to ensure the perfect fit using the factory