8th & 9th Gen Honda Civic Si oxygen sensor extension harness

Fits:

• 8th Gen Honda Civic Si
• 9th Gen Honda Civic Si

This oxygen sensor extension harness adds 14 inches of length.  This is perfect for where an aftermarket header on a 8th or 9th Gen Civic Si chassis, has the oxygen sensor moved back.

This extension is a plug-and-play solution.

OEM Honda genuine part.