HKS Silent Hi Power Exhaust System - Lancer Evo 4-6 ECU's While flow of exhaust gases

While flow of exhaust gases (transport delay) can affect deadtime

circuit or drifting

Please Note: These caps DO NOT fit 15x7 RPF1's

Complete package includes main gasket

HKS Silent Hi Power Exhaust System - Lancer Evo 4-6 ECU's While flow of exhaust gasesHKS specializes in aftermarket high performance parts and is perhaps the most well known aftermarket brand in the world. Formed in 1973, and named after the founders Hasegawa, Kitagawa, and Sigma, HKS began tuning engines and cars. Their vision was to tune and manufacture engine components that surpasses OE Manufacturers. HKS Silent Hi Power exhaust systems offer the same high performance and sporty appearance that you'd expect, but with reduced noise