COMPATIBLE: (LS SERIES ENGINES)

1970 - 1981 Chevrolet Camaro

1970 - 1981 Pontiac Firebird

1975 - 1979 Chevrolet Nova

1964 - 1977 Chevrolet Chevelle

1964 - 1988 Chevrolet El Camino

1970 - 1988 Chevrolet Monte Carlo

1964 - 1988 Pontiac Lemans

1964 - 1972 Pontiac GTO

1977 - 1988 Pontiac Grand Prix

1964 - 1977 Oldsmobile Cutlass

1964 - 1972 Buick Skylark

1978 - 1988 Buick Grand National

1978 - 1988 Chevrolet Malibu

Material: Stainless Steel Surface: Mirror Polish Primary Diameter 1-3/4 in. (45mm) Collector Diameter 3 in. (76mm) Head Flange Thickness 3/8 in. (9.5mm) Pipe Thickness 16 gauge (1.5mm) 

The structural differences between exhaust headers and manifolds are the material and size. From the material, exhaust headers are made of lighter, thinner steel, while exhaust manifolds are made of thick iron. Exhaust headers are also longer than exhaust manifolds. When in use, exhaust manifolds create back pressure, which lowers performance. Because each cylinder of the engine is given its own tube, however, headers eliminate this problem; thus, allowing the gases to exit without the creation of back pressure. Therefore, exhaust headers are a BETTER choice than an exhaust manifold. Replacing or upgrading your exhaust header is necessary for both engine performance and sound. Whether on or off the track, exhaust headers provide more horsepower and improved exhaust sound. offers many products to help you create your own custom engine headers. It's really easy and convenient to use: direct bolt-on, no modification needed.