
HKS Sport Exhaust 88-91 Civic Si
Sport Exhaust Systems are designed to minimize backpressure and enhance 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.
APPLICATION
- Honda Civic Si (1988, 1989, 1990, 1991)
Note: For 3 Door Civic HB
FEATURES
- Tip Type: R-2
- Tip Diameter: 60mm
- Piping Diameter: 50mm
Sport Exhaust Systems are designed to minimize backpressure and enhance 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.
APPLICATION
- Honda Civic Si (1988, 1989, 1990, 1991)
Note: For 3 Door Civic HB
FEATURES
- Tip Type: R-2
- Tip Diameter: 60mm
- Piping Diameter: 50mm
Description
Sport Exhaust Systems are designed to minimize backpressure and enhance 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.
APPLICATION
- Honda Civic Si (1988, 1989, 1990, 1991)
Note: For 3 Door Civic HB
FEATURES
- Tip Type: R-2
- Tip Diameter: 60mm
- Piping Diameter: 50mm























