Skunk2 06-11 Civic Si Cold-Air Intake HB557F.545 as a baseline of 91

as a baseline of 91 octane fuel may read lower than our 93 octane baseline

This system is designed to provide excellent low & mid-range power without excessive noise

The COBB Tuning 3-Port BCS features 1/8" low-profile barb fittings to keep the unit compact and are nickel coated for corrosion resistance

When a restriction is removed

making the physical install and electrical connection as straightforward possible

Skunk2 06-11 Civic Si Cold-Air Intake HB557F.545 as a baseline of 91Skunk2 drew upon its experience and longstanding technical partnership with championship winning Compass360 Racing when developing its all new Cold Air Intake for the 06 11 Civic Si. The results are the best performing, best fitting intake system available. Skunk2s Cold Air Intake is manufactured from molded polymer plastic for superior intake air insulation when compared to aluminum as well as for a smooth, continuous taper. When compared to