Item Description
The stock header is the most restrictive part of the exhaust on the K20A engine. We have been spending years of effort to develop a header with longer 4-2 conjunction to optimize torque and hp across the power band. Finally we have come up with a 45mm piping size for primaries with 60mm pipe for collector. The 4-2-1 design is to improve exhaust efficiency other than increasing volume. All exhaust tubings are 1.2mm thick to reduce as much weight as possible while maintaining a strong enough structural design to with hold the heat and stress caused by the engine. The header replaces the stock 4-1 portion and the stock catalytic converter. This header was developed and intended for race and track use only.
Dyno tested 15+whp gain on a stock EP3, 22+whp & 16lbs of torque on a K20A. *Dyno attached*
Car mods: K20A, SSR Race Header, SRI, Stock Type-S mid pipe, T1R axle back, stock JDM ecu.
An optional hi-flow cat can be purchased also. Directly replaces the test pipe section in the system.
Metal Core Catalytic Converter
100% Stainless Steel
50K mile warranty
300 cell per Sq. Inch catalyst flows at 578 CFM
Made in USA!
Designed to fit usdm EP3. For Euro or JDM EP3, please use DC5 version.
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