Skunk2 06-11 Honda Civic Si O2 Extension Pumps 3000506 is a performance street

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Skunk2 06-11 Honda Civic Si O2 Extension Pumps 3000506 is a performance streetThe O2 sensor wire harness extension is designed for 2006 2014 Civic Sis. These extensions are great for installing an aftermarket header where the oem O2 sensor wires arent long enough to reach the new bung location. Designed for the Skunk2 header and exhaust. This Part Fits: Year Make Model Submodel 2006 2011 Honda Civic Si