Hooker Exhaust Manifolds - GM LS (except LS7/LS9) - Natural Cast Finish (Pair) AS04421 Raised guide plates for Small

Raised guide plates for Small Block Chevy applications

Cast aluminum finish

Complete with a check valve and fittings

full synthetic

Hooker Exhaust Manifolds - GM LS (except LS7/LS9) - Natural Cast Finish (Pair) AS04421 Raised guide plates for SmallHooker cast iron exhaust manifolds 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