These cast iron exhaust manifolds Raw have been designed to hug close to the engine block so they fit into a wide variety of replacement and engine?€?swap applications. Their contoured design aims the exhaust directly at the exit port for improved flow. Being cast iron means they will provide years of leak?€?free performance with less under hood noise than traditional headers. Plus, their shorty design means you can route exhaust tubing close to your frame/floor pan for maximum ground clearance. 2.25″ flanges
**GM Part # 92202326 (you will need 2 in total) recommended for pipe gasket. NOT PROVIDED WITH PURCHASE OF THIS ITEM.**