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Your cart is empty.Skunk2 Racing Cold Air Intake - Honda Civic Si 12-13 Through it's technical partnership with the championship-winning Compass360 Racing team, engineers at Skunk2 have developed an all new cold air intake system for the '12-13 Honda Civic Si. The results are the best performing, best fitting intake system netting +6whp and +8lbs-ft of torque.Skunk2&rsquos 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 aluminum, the thicker polymer material results in a superior thermal barrier and lower intake air temperatures. Each kit includes a 3.5-inch internal diameter lower tube and a tapered, 3.5-inch to 3.0-inch internal diameter upper tube that connects to the factory throttle body with a high-quality, silicone connector (larger diameter connectors for use with Skunk2 throttle bodies or similar sold separately).In an effort to reduce the possibility of submerging the air filter during wet conditions, Skunk2&rsquos design positions the air filter downward-facing for approximately two inches of additional ground clearance when compared to competitors&rsquo designs that locate the air filter from the side. That, combined with a design that doesn&rsquot require cutting or modifying the factory fender liners, greatly reduces the chances of water entering the intake during wet conditions.Unlike other intake systems, only Skunk2&rsquos unique design and brackets allow for the OEM battery to be retained.