1990 Honda Civic Si Fuel Filters
- Fitch® Fuel CatalystOEM In-Line Fuel CatalystHonda Civic Si 1990, OEM In-Line Fuel Catalyst by Fitch® Fuel Catalyst. Get improved performance and reduced emissions with the Fitch Fuel Catalyst! Unlike expensive additives that must be continually replenished, you purchase this...Increases fuel economyIncreases horsepower and torque for improved performance$483.25