O2 Extension Harness Bolts Ecotec Dampers feature all factory

Ecotec Dampers feature all factory serpentine grooves machined into the outer shell

It is that nice

With easily accessible adjustment knobs for fine-tuning your compression and rebound

2016 + CHEVROLET SONIC 1

Exhaust valves: Sodium-filled stainless steel Inconel - A GREAT upgrade for the LSJ

O2 Extension Harness Bolts Ecotec Dampers feature all factoryMost header kits will require this because the primary (front) O2 sensor is mounted further down the header rather than right next to the head like it is mounted in the factory rear manifold. All of our o2 extensions are 27" long. Different models: A. '97 05 Grand Prix Regal '00+ Monte Impala Bonneville (front), '04 07 Cobalt Redline 2. 0L B. '04 07 Grand Prix (rear), '06+ Cobalt 2. 4L, '08+ HHR Cobalt SS (rear) C. '06+ Grand Prix (front), '06+ HHR 2.