Kooks Headers & Exhaust: LSX SWAP HEADER MID-LENGTH 1-3/4" X 3" (UNIVERSAL) TFS We use our experience in

We use our experience in bi-modal muffler design to further enhance the factory system

but moves the crank idler pulley (bottom pulley) up and away from the crank pulley to allow for drive rings sized 9

This stage adds a more aggressive pulley ratio

Diameter:5/16"

The Corsa gurgle exhaust note is a sound some enthusiasts can't live without

Kooks Headers & Exhaust: LSX SWAP HEADER MID-LENGTH 1-3/4" X 3" (UNIVERSAL) TFS We use our experience inLSX Swap Header Mid Length 1 3 4" x 3" (Universal) Made of Stainless Steel Ball & Socket Flange O2 Extensions available (Call sales for application) These products are not legal for sale, installation, or use on licensed vehicle in the state of California. And they do NOT meet CARB compliance. SPECS: SKU 29101200 Engine Type GM LSX Series Gasket PY 8024 AL