Skunk2 06-11 Civic Si Cold-Air Intake HB557F.545 Follow our staged upgrade path

Follow our staged upgrade path with pre-loaded Off-The-Shelf (OTS) maps or use custom mapping for any modification level

2009 Subaru WRX (non-STI)

When a restriction is removed

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

25" 5" Single Round Rolled Angle-Cut 03 Single Split Rear Exit

Skunk2 06-11 Civic Si Cold-Air Intake HB557F.545 Follow our staged upgrade pathSkunk2 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