For maximum exhaust flow and increased turbo spool up, HKS offers Off-Road down pipes and front pipes for race use. Each 75mm mandrel down pipe and front pipe is a bolt on application that will mount to the stock turbo and to HKS turbo upgrade kits. HKS Stainless Front Pipe 75MM for Nissan JDM 180SX RPS13, Silvia PS13/S14 (Off-Road Use Only)
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