civic si

The Injen SP Series Intake Systems Feature the Patent Pending MR Technology Process for Optimal Gains and a Safe A/F Ratio. The Injen SP Series Int...

The Injen SP Series Intake Systems Feature the Patent Pending MR Technology Process for Optimal Gains and a Safe A/F Ratio. The Injen SP Series Int...

The Injen SP Series Intake Systems Feature the Patent Pending MR Technology Process for Optimal Gains and a Safe A/F Ratio. The Injen SP Series Int...

The Injen SP Series Intake Systems Feature the Patent Pending MR Technology Process for Optimal Gains and a Safe A/F Ratio. The Injen SP Series Int...

The Injen IS Series is a traditional underhood intake system that is placed in the stock location of the factory air-box system. Each system is bui...

The Injen IS Series is a traditional underhood intake system that is placed in the stock location of the factory air-box system. Each system is bui...

The Injen SP Series Intake Systems Feature the Patent Pending MR Technology Process for Optimal Gains and a Safe A/F Ratio. The Injen SP Series Int...

Is your engine choking for air and in need of some additional horsepower? If so, Injen has exciting news for you! The SP series of cold air intakes...

SuperNano-Web Dry Air Filter: The Injen SuperNano-Web Dry air filter is included with the EVO1501 cold air intake. This filter is uniquely designed...

Is your engine choking for air and in need of some additional horsepower? If so, Injen has exciting news for you! The SP series of cold air intakes...

The Injen IS Series is a traditional underhood intake system that is placed in the stock location of the factory air-box system. Each system is bui...

Add easy horsepower to your ride with the Injen Technology IS Performance short ram Air Intake! Our engineers spent abundant amounts of time design...

Additionally, the SP1586 intake includes a fully serviceable Injen SuperNano-Web dry air filter, which provides increased filter surface area allow...

Injen Intercooler pipes are the next logical step in your search for power gains. The Injen staff has put in the time and work to develop parts tha...

The Injen IS Series is a traditional underhood intake system that is placed in the stock location of the factory air-box system. Each system is bui...

The Injen IS Series is a traditional underhood intake system that is placed in the stock location of the factory air-box system. Each system is bui...

This intake provides an aggressive and throaty tone that is unmatched in the aftermarket and one that you'll enjoy every time you smash the acceler...

The Injen IS Series is a traditional underhood intake system that is placed in the stock location of the factory air-box system. Each system is bui...

Is your engine choking for air and in need of some additional horsepower? If so, Injen has exciting news for you! The SP series of cold air intakes...

Injen Intercooler pipes are the next logical step in your search for power gains. The Injen staff has put in the time and work to develop parts tha...

Add some easy horsepower to your Ride with this RD Series Performance cold air intake (CAI) from Injen Technology! The engineers at Injen have spen...

The factory intake tract on the 2022-2023 Honda Civic is very restrictive from the factory and limiting power output by choking the turbo. The new ...

Is your engine choking for air and in need of some additional horsepower? If so, Injen has exciting news for you! The SP series of cold air intakes...

Is your engine choking for air and in need of some additional horsepower? If so, Injen has exciting news for you! The SP series of cold air intakes...