N1 Turbo back Exhaust w/Metal Matrix Cat - Mitsubishi Evo 7-9 CT9A 22+ WRX The most restrictive component of

The most restrictive component of the factory exhaust system is the down-pipe which begins right after the turbocharge or headers

Specifically designed to fill the sound gap between the Q300 and N1 system

still offering maximum flow and minimised back pressure

Invidia's Q300 tuned muffler systems provide a quieter exhaust sound than both the R400 and N1 Invidia Exhausts

N1 Turbo back Exhaust w/Metal Matrix Cat - Mitsubishi Evo 7-9 CT9A 22+ WRX The most restrictive component ofINVIDIA N1 CAT BACK EXHAUST Full power. Full flow. Full volume. Blending performance and price, the Invidia N1 Exhaust is a modern interpretation of the classic N1 racing style exhaust. Invidia N1 Exhaust Systems feature cannon style mufflers for maximum flow and minimised back pressure, resulting in significant mid to top end power gains. From start to finish the Invidia N1 Exhaust Systems are designed with performance in mind with the exhaust route