Injen 88-91 Civic Ex Si CRX Si Polished Cold Air Intake MODEL_F0X While primarily a display device

While primarily a display device

it supports performance tuning and preventative maintenance

Proper fitment and compatibility are ensured for the specified model years

Compatible with various battery types

Injen 88-91 Civic Ex Si CRX Si Polished Cold Air Intake MODEL_F0X While primarily a display deviceAdd some easy horsepower to your Ride with this RD Series Performance cold air intake (CAI) from Injen Technology! The engineers at Injen have spent considerable amounts of time designing, testing, and perfecting this CAI to produce some serious bolt on power while also providing amazing engine bay aesthetics. In addition to the impressive power increase, the Injen team has ensured that safe Air fuel (A F) ratios are maintained throughout the