1978 GMC C25 Headers and Exhaust Parts

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Exhaust System Header Wrapping

Exhaust System Header Wrapping

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Whether you’re looking for performance improvements or heat reduction, if you decide to wrap your headers, we'll show you the benefits and possible precautions to take before you wrap your exhaust.

Ceramic Coated Headers

Ceramic Coated Headers

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Watch our video on the ceramic coating process for Armor Hot Coating. Headers coated with Armor Hot Coating protect your car without sacrificing looks.

Exhaust Repair

Exhaust Repair

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Some basic info on the various exhaust options carried by Speedway Motors.

Speedway Roadster Headers for a 305 Trike

Speedway Roadster Headers for a 305 Trike

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In this Tech Tip, a customer asked about using a set of Small Block Chevy Sprint Roadster headers for his trike, powered by a stock 305.

Replacing GM Rear End Spherical Bushings

Replacing GM Rear End Spherical Bushings

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In this budget build, a GM rear end is upgraded in order to hold 400+ HP. See how spherical bushings are replaced in a used 8.5” GM 10 bolt rear end.

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