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The HKS Hi-Power Silent cat-back system for S15 with SR20DE is an aftermarket exhaust solution tuned to complement the engine and vehicle dynamics. This cat-back replaces the factory system to provide a refined exhaust note and improved flow characteristics while fitting the intended S15 application. It is positioned as a vehicle-specific exhaust upgrade for drivers seeking a tailored replacement system.
HKS Hi-Power Silent S15 SR20DE
