Invidia R400 Turbo Back Exhaust - Straight Cut Polished Stainless Tips - Subaru WRX 08-10 Sedan/Forester XT SH 08-13 (5MT/4AT) BMW_E90 03mm and well-balanced: variations are

03mm and well-balanced: variations are kept within 2 grams

20-0356 — Sound Symposer Delete Kit (required for Focus ST

Skoda Octavia/RS (5E)

The factory cat back has a very unpleasant rasp when used with a downpipe which does not have a resonator

For customers interested in doing that themselves

Invidia R400 Turbo Back Exhaust - Straight Cut Polished Stainless Tips - Subaru WRX 08-10 Sedan/Forester XT SH 08-13 (5MT/4AT) BMW_E90 03mm and well-balanced: variations areINVIDIA R400 CAT BACK EXHAUST Invidia's most popular exhaust system. Specifically designed to fill the sound gap between the Q300 and N1 system, the R400 produces a unique, agressive note while minimising harsh cabin noise (particularly at highway speeds). The R400 muffler was designed using years of experience from Invidia's engineers to allow the perfect balance between unrestricted exhaust gas flow and sound dampening. This exhaust system will