2017 Civic Si 1.5L Typhoon Performance Air Intake System (KNN69-1504TR) Engine Components>Hardware Kits - Other optimizing combustion and providing serious

optimizing combustion and providing serious bolt-on power

2-inch body with 1-3/8-inch fluon-banded piston and self-lubricating seals

and exceptional road feel on any terrain

giving you the confidence to tackle those tight corners

4 Inch Block: Tail low to level stance

2017 Civic Si 1.5L Typhoon Performance Air Intake System (KNN69-1504TR) Engine Components>Hardware Kits - Other optimizing combustion and providing seriousGain a guaranteed increase in horsepower and torque with a K&N cold air intake system featuring a mandrel bent aluminum intake tube. Each system is paired with a washable, reusable High Flow Air Filter featuring oiled cotton filter media. The oversized, conical filter design allows you to go up to 100,000 miles between filter services under normal highway driving conditions. A custom heat shield or air box helps protect intake air from the high