FLOWTECHs Camaro and Firebird headers with single cat. Y-Pipes are precision engineered to get maximum performance and fuel economy from your engine. Each header is formed from specially selected .049 cold roll flash controlled tubing, and features FLOWTECHs exclusive thick mandrel-formed Power Plenum collector. All ports are precisely fitted and finished with sturdy, leak-proof O-ringed port seals, and all FLOWTECH headers come with all mounting hardware, including bolts, nuts and premium gaskets. FLOWTECHs headers are available with either a high-quality PPG satin black paint finish or with a specially formulated, show-ceramic coating for longer rust and corrosion resistance.