1 set of 4-1 mandrel bent piping type with C.N.C machined flanges made exhaust header with down pipe.
Super light weight.
Direct bolt on design.
Necessary gaskets, bolts and nuts are included.
Gains instant 10-15 horsepower.
Do not come with installation instruction.
Professional installation highly recommended.
Fitment :1982-1991 Chevy Camaro / Iroc-Z 5.0L/5.7L 305CU/350CU small block V8 CID engine model only
1978-1983 Chevy Malibu 5.7L 350CU small block V8 CID engine models only
1978-1987 Buick Regal Grand National 5.0L 305CU small block V8 CID engine models only
1978-1981 Oldsmobile Cutlass 5.0L 305CU small block V8 CID engine models only
1982-1991 Pontiac Firebird 5.0L/5.7L 305CU/350CU small block V8 CID engine models only
(Do not fit with factory Y-pipe and completely bolt patterns; Do not fit angled spark plugs)
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