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HKS Exhausts SpecificationsIn the Japanese vehicle category, HKS is a brand that is highly recommended, with almost 40 years experience in engine tuning, unparalleled by the competition.The fruit of many years of engineering, HKS exhausts have undergone many demanding tests in order to offer reliabi..

HKSThe Stock exhaust manifold was designed by the 4-2-1 type layout for a better performance for a lower engine speed torque. Because the first catalyzer is mounted at the exhaust manifold, exhaust pulsatory motion makes the exhaust gas to pull back to the pipe at middle RPM range. It causes a loss ..

This spacer for lambda probe is necessary when the OEM catalyst is removed and a Decat is installed.Doing so prevents the full flow of exhaust gases on the Lambda, preventing the engine warning light from turning on...

Full exhaust system from exhaust manifold to mufflerExhaust manifold, catalyzer, and muffler system are bundled as a set. This set complies with Japanese exhaust regulation and acceleration noise regulation. The catalyzer meets Japanese emission regulation.To enable high efficiency exhaust..