Pontiac Firebird Parts - Manifolds

PROFORM Grade 8 (12.9 steel) header bolts are designed to keep bolts from backing off. These permanently assembled bolts feature special washers with super-hardened serrated teeth that, when sufficiently torqued, the washers...

PROFORM Grade 8 (12.9 steel) exhaust collector bolts and nuts are designed to keep bolts from getting loose. These permanently assembled bolts feature special washers with super-hardened serrated teeth that, when sufficiently...

These permanently assembled bolts feature special washers with super-hardened serrated teeth that, when sufficiently torqued, the washers bite into and grab the bottom of the bolt head and the top surface of the header. After...

PROFORM Grade 8 (12.9 steel) header bolts are designed to keep bolts from backing off. These permanently assembled bolts feature special washers with super-hardened serrated teeth that, when sufficiently torqued, the washers...

PROFORM Grade 8 (12.9 steel) header bolts are designed to keep bolts from backing off. These permanently assembled bolts feature special washers with super-hardened serrated teeth that, when sufficiently torqued, the washers...

PROFORM Grade 8 (12.9 steel) header bolts are designed to keep bolts from backing off. These permanently assembled bolts feature special washers with super-hardened serrated teeth that, when sufficiently torqued, the washers...

PROFORM Grade 8 (12.9 steel) header bolts are designed to keep bolts from backing off. These permanently assembled bolts feature special washers with super-hardened serrated teeth that, when sufficiently torqued, the washers...

These BRP/Muslce Rod headers come with a silver ceramic coating that keep temperatures under control and provides a great long-lasting appearance. Each set is designed to clear the factory AC box, power steering, power...

These cast iron exhaust manifolds are for the LS based engines (except for LS7 and LS9) used in a variety of engine conversions in GM vehicles. These are designed to provide excellent performance on engines up to 500...

Hooker Competition™ headers offer the best value in the high performance header market. Designed for the value-conscious buyer who is running either a "stock" or "mildly-modified" engine, Hooker Competition headers...

These BRP/Muslce Rod headers come with a silver ceramic coating that keep temperatures under control and provides a great long-lasting appearance. Each set is designed to clear the factory AC box, power steering, power...

Classic Industries® stocks a full line of Hedman Hedders™ for 1967-02 Firebird and Trans Am models. These headers are designed to replace the heavy and restrictive factory manifolds with tubular steel manifolds....

Hooker Competition headers offer the best value in the high performance header market. Designed for the value-conscious buyer who is running either a "stock" or "mildly-modified" engine, Hooker Competition headers offer...

Classic Industries® stocks a full line of Hedman Hedders™ for 1967-02 Firebird and Trans Am models. These headers are designed to replace the heavy and restrictive factory manifolds with tubular steel manifolds....

These BRP/Muslce Rod headers come with a silver ceramic coating that keep temperatures under control and provides a great long-lasting appearance. Each set is designed to clear the factory AC box, power steering, power...

Reproduction 1968-69 Ram Air round-port exhaust manifolds were originally installed on 1968 Ram Air II and 1969 Ram Air IV Pontiac Firebird models with Pontiac engines and round-port heads. These high performance...

Hooker 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...

These BRP/Muslce Rod headers come with a silver ceramic coating that keep temperatures under control and provides a great long-lasting appearance. Each set is designed to clear the factory AC box, power steering, power...

Reproduction 1970 Ram Air III D-port exhaust manifolds were originally installed on 1970 Pontiac Firebird Ram Air models with Pontiac engines and D-port heads. These high performance reproductions are designed and...

These BRP/Muslce Rod headers come with a silver ceramic coating that keep temperatures under control and provides a great long-lasting appearance. Each set is designed to clear the factory AC box, power steering, power...

Hooker 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...

These BRP/Muslce Rod headers come with a silver ceramic coating that keep temperatures under control and provides a great long-lasting appearance. Each set is designed to clear the factory AC box, power steering, power...

For the price, no other part can give you the horsepower and fuel economy improvements of Hedman headers. Hedman Street headers are so well made that Hedman Performance Group guarantees them to be free from defects--including...

These BRP/Muslce Rod headers come with a silver ceramic coating that keep temperatures under control and provides a great long-lasting appearance. Each set is designed to clear the factory AC box, power steering, power...

These BRP/Muslce Rod headers come with a silver ceramic coating that keep temperatures under control and provides a great long-lasting appearance. Each set is designed to clear the factory AC box, power steering, power...

These BRP/Muslce Rod headers come with a silver ceramic coating that keep temperatures under control and provides a great long-lasting appearance. Each set is designed to clear the factory AC box, power steering, power...

These BRP/Muslce Rod headers come with a silver ceramic coating that keep temperatures under control and provides a great long-lasting appearance. Each set is designed to clear the factory AC box, power steering, power...

These BRP/Muslce Rod headers come with a silver ceramic coating that keep temperatures under control and provides a great long-lasting appearance. Each set is designed to clear the factory AC box, power steering, power...

These cast iron exhaust manifolds are for the LS based engines (except for LS7 and LS9) used in a variety of engine conversions in GM vehicles. These are designed to provide excellent performance on engines up to 500...

Hooker 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...

These BRP/Muslce Rod headers come with a silver ceramic coating that keep temperatures under control and provides a great long-lasting appearance. Each set is designed to clear the factory AC box, power steering, power...

These BRP/Muslce Rod headers come with a silver ceramic coating that keep temperatures under control and provides a great long-lasting appearance. Each set is designed to clear the factory AC box, power steering, power...

Classic Industries® stocks a full line of Hedman Hedders™ for 1967-02 Firebird and Trans Am models. These headers are designed to replace the heavy and restrictive factory manifolds with tubular steel manifolds....

Flowtech headers are the perfect combination of performance and value. Flowtech long tube headers are precision engineered using mandrel bent tubing, formed collectors and 5/16" flanges with sealing rings for a leak-free...

For the price, no other part can give you the horsepower and fuel economy improvements of Hedman headers. Hedman Street headers are so well made that Hedman Performance Group guarantees them to be free from defects--including...

Reproduction 1967-68 Ram Air I D-port long branch exhaust manifolds were originally installed on 1967-68 Pontiac Firebird Ram Air models with Pontiac engines and D-port heads. These high performance reproductions are designed...

Hooker Competition headers offer the best value in the high performance header market. Designed for the value-conscious buyer who is running either a "stock" or "mildly-modified" engine, Hooker Competition headers offer...

Reproduction 1968-69 Ram Air round-port exhaust manifolds were originally installed on 1968 Ram Air II and 1969 Ram Air IV Pontiac Firebird models with Pontiac engines and round-port heads. These high performance...

These BRP/Muslce Rod headers come with a silver ceramic coating that keep temperatures under control and provides a great long-lasting appearance. Each set is designed to clear the factory AC box, power steering, power...

Hooker 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...

Hooker 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...

Reproduction 1968-69 Ram Air round-port exhaust manifolds were originally installed on 1968 Ram Air II and 1969 Ram Air IV Pontiac Firebird models with Pontiac engines and round-port heads. These high performance...

Hooker Competition™ headers offer the best value in the high performance header market. Designed for the value-conscious buyer who is running either a "stock" or "mildly-modified" engine, Hooker Competition headers...

Reproduction 1970 Ram Air III D-port exhaust manifolds were originally installed on 1970 Pontiac Firebird Ram Air models with Pontiac engines and D-port heads. These high performance reproductions are designed and...

These BRP/Muslce Rod headers come with a silver ceramic coating that keep temperatures under control and provides a great long-lasting appearance. Each set is designed to clear the factory AC box, power steering, power...

Classic Industries® stocks a full line of Hedman Hedders™. These headers are designed to replace the heavy and restrictive factory manifolds with tubular steel manifolds. Headers are not only lighter, but will also...

Classic Industries® stocks a full line of Hedman Hedders™ for 1967-02 Firebird and Trans Am models. These headers are designed to replace the heavy and restrictive factory manifolds with tubular steel manifolds....

Reproduction 1970 Ram Air III D-port exhaust manifolds were originally installed on 1970 Pontiac Firebird Ram Air models with Pontiac engines and D-port heads. These high performance reproductions are designed and...

Classic Industries® stocks a full line of Hedman Hedders™. These headers are designed to replace the heavy and restrictive factory manifolds with tubular steel manifolds. Headers are not only lighter, but will also...

Classic Industries® stocks a full line of Hedman Hedders™. These headers are designed to replace the heavy and restrictive factory manifolds with tubular steel manifolds. Headers are not only lighter, but will also...

These BRP/Muslce Rod headers come with a silver ceramic coating that keep temperatures under control and provides a great long-lasting appearance. Each set is designed to clear the factory AC box, power steering, power...

Important: Not for use on pollution controlled vehicles. See Emission Notes below. Emission Note: For (PPCV) Pre-Pollution Controlled Vehicles Only: Legal for use on all vehicles that were manufactured before emissions...

For the price, no other part can give you the horsepower and fuel economy improvements of Hedman headers. Hedman Street headers are so well made that Hedman Performance Group guarantees them to be free from defects--including...

Flowtech headers are the perfect combination of performance and value. Flowtech headers are precision engineered using mandrel bent tubing, formed collectors and 5/16" flanges with sealing rings for a leak-free seal. All...

These BRP/Muslce Rod headers come with a silver ceramic coating that keep temperatures under control and provides a great long-lasting appearance. Each set is designed to clear the factory AC box, power steering, power...

Classic Industries® stocks a full line of Hedman Hedders™. These headers are designed to replace the heavy and restrictive factory manifolds with tubular steel manifolds. Headers are not only lighter, but will also...

These BRP/Muslce Rod headers come with a silver ceramic coating that keep temperatures under control and provides a great long-lasting appearance. Each set is designed to clear the factory AC box, power steering, power...

These cast iron exhaust manifolds are for the LS based engines (except for LS7 and LS9) used in a variety of engine conversions in GM vehicles. These are designed to provide excellent performance on engines up to 500...

Classic Industries® stocks a full line of Hedman Hedders™. These headers are designed to replace the heavy and restrictive factory manifolds with tubular steel manifolds. Headers are not only lighter, but will also...

These BRP/Muslce Rod headers come with a silver ceramic coating that keep temperatures under control and provides a great long-lasting appearance. Each set is designed to clear the factory AC box, power steering, power...