Designed to improve turbo spool and reduce lag, the HKS uppipe will give new life to your turbocharged Subaru. Designed for the Subaru WRX and STI to remove the cat in the uppipe, the HKS uppipe also has a smoother interior which will help on cars that have the corrugated factory catless uppipe. The HKS uppipe includes the lower uppipe to manifold gasket and includes studs to bolt to the turbo.
Note: Does not fit the FA20 engines.
Part Number: 34998-BF001