
Description
Offering great power gain without sacrificing low and mid-range torque, this HKS exhaust manifold for the Subaru Impreza WRX / STI 08-14 fits without modification the EJ25 engines. Featuring a 4-1 equal length structure and 42.7mm piping diameter, this HKS manifold made of S 409 stainless steel will optimize airflow on both stock and highly tuned engines !
Highlights
Direct mounting Gain measured on stage 2 engine : 22hp Diameter 42.7mm 4-1 equal length structure 100% S 409 stainless steel High-quality TIG welding Aggressive tone Installation kit included Made in Japan
Vehicle compatibility
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Fitment details for this part are still being added.



