Invidia R400 Turbo Back Exhaust - Straight Cut Polished Stainless Tips - Subaru WRX 08-10 Sedan/Forester XT SH 08-13 (5MT/4AT) BMW_E90 The factory cat back has

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

Includes everything needed to install and requires no bumper modifications

Mitsubishi Lancer Evolution X (fittings not included)

Gain over 10+ horsepower and torque with tuning

Important Note: Select appropriate variant based on your application requirements (15mm or 19mm size

Invidia R400 Turbo Back Exhaust - Straight Cut Polished Stainless Tips - Subaru WRX 08-10 Sedan/Forester XT SH 08-13 (5MT/4AT) BMW_E90 The factory cat back hasINVIDIA 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