Skunk2 composite Cold‑Air Intake for 2006–2011 Honda Civic Si is a two‑piece molded polymer system that retains the OEM battery and mounts without cutting fender liners. It includes a 3.5 in. lower tube, tapered 3.5→3.0 in. upper tube, MAF sensor adapter and relocation hardware for battery, ECU and reservoirs. The polymer construction improves thermal insulation and reduces intake air temperatures.
Skunk2 06-11 Honda Civic Si Composite Cold Air Intake