competition headers street forcetm cat-back systems for cars most cat-back systems ... headers super competition headers each exhaust system is mandrel bent not press bent ... using great looking hooker large bore exhaust tip extensions where applicable ... race headers competition super comp exhaust kits diesel exhaust systems large ... gauge aluminized steel tubing for low back pressure and long life mufflers catback ... tailpipes tailpipe part diam in number exhaust tips make/model yearsengine/code ... camaro/firebird camaro/firebird dual cat camaro/firebird dual cat corvette ... impala ss monte carlo ss header collector ... pipe footnotes note any hooker header exhaust system or muffler can be metallic ... heat hooker recommends using cast iron exhaust manifolds or old headers to break in ...