Kooks Headers & Exhaust: 2004-2007 CADILLAC CTS-V 1 7/8" X 3" HEADER transmission 2007-2008 GMC Sierra 1500

2007-2008 GMC Sierra 1500

but with our modified Whipple or Procharger F1 kit

330 Diameter

or occasionally

com/products/weapon-x-heat-exchanger-expansion-tank-c7-corvette-z06-lt4

Kooks Headers & Exhaust: 2004-2007 CADILLAC CTS-V 1 7/8" X 3" HEADER transmission 2007-2008 GMC Sierra 15001 7 8" x 3" Stainless Steel Long Tube Headers Must Be Used With Kooks connection pipe O2 Extensions, Gaskets, and All Installation Hardware Included LS7 D Port Flange can be added for an additional cost These products are NOT legal for sale, installation, or use on a licensed vehicle in the state of California, and they do NOT meet CARB compliance SPECS: SKU 23102400 Year Range 2004 2007 Engine Type GM LSX Series Gauge 18 Gasket PY 8024 AL Unit Set