Front pipe increased to 3 inches. Catless downpipe. Improves power delivery and throttle response

■Concept The K20C engine was designed for use in a normal road car and features a catalytic converter, removing this converter eliminates its restricting effects which significantly increases the engine horsepower. HKS developed an extension pipe without the catalytic converter and a frontpipe that will connect it to a catback exhaust system.

■Features Removing catalytic converter results in a more linear boost and throttle response. Uses 3 inch pipes, compatible with HKS catback exhausts. A perfect addition to intake, intercooler and other HKS products for future ECU tuning and boost up. Decreases secondary exhaust gas pressure from turbine and reduces exhaust restriction.