Kooks 12" O2 extension harness for 2004–2008 Cadillac CTS-V and all Pontiac G8 applications. This 12-inch front extension uses a 4-pin connector and serves as a direct replacement for lost or damaged oxygen sensor extensions; header kits include extensions where required. It restores correct sensor reach and routing without modifying the original exhaust components.
Kooks 04-08 Cadillac CTSV & All Pontiac G8 12in - 02 Ext Harn Each