HKS Sport Exhaust Civic Si (1988-1991) Subaru These are the latest version

These are the latest version of the 02-07 design (part number WS02-) and are NOT compatible with the older style TurboXS exhaust parts (part number WS-)

Our F25 X3

0L Turbo (2006-2007) F:

9°C) drop in oil temperatures with minimal pressure loss

Key Features:

HKS Sport Exhaust Civic Si (1988-1991) Subaru These are the latest versionThis HKS Sport Exhaust System for the 1988 1991 Honda Civic Si is designed to reduce back pressure and increase exhaust flow for greater peak power and a broader torque band. Each Sport Exhaust application utilizes a specific muffler design and shape along with the appropriate piping diameter to maintain low end torque while maximizing high end horsepower. Features: Piping Diameter: 50mm Tip Diameter: 60mm Tip Style: R 2