Skunk2 O2 Sensor Extension Honda Civic Si 06-15 53540-S04-013 Spoon�s 2-1 downpipe is designed

Spoon�s 2-1 downpipe is designed to provide a wide torque band and is ideal for use on the street or track

to further improve the high dynamic performance of the S660

Genuine Honda oil pump timing chain guide

We hope that true S fans will adopt and install this product

Fourth-Generation Civic and CRX owners rejoice

Skunk2 O2 Sensor Extension Honda Civic Si 06-15 53540-S04-013 Spoon�s 2-1 downpipe is designedThe Skunk2 O2 sensor wire harness extension is designed for the '06 '15 Civic Si. These extensions are great for installing an aftermarket header where the OEM O2 sensor wires are not long enough to reach the new bung location. Designed for the Skunk2 header and exhaust.