Flowtech Exhaust GMC Muscle & Classic Car Headers

Headers and manifolds differ in design and function. Long tube headers, shorty headers, and exhaust manifolds each have their pros and cons regarding performance and application.

Jeremy explains the different options of headers that Speedway Motors offers for Demolition Derby cars. Watch this video to see a variety of options and the benefits of certain headers.

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.

Building GM’s LQ4 6.0L Gen 3 LS engine for various power levels is easy with the right performance parts recipe.

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

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.

A guide on removing and installing a new electric motor kit for exhaust cutouts.

Need a little help Identifying GM Body Styles 1964-1972? Click Here!

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.

Choosing new wheels for a GMC Chevrolet truck. This project uses Speedway Motors GM Rally Wheels and new tires to enhance the appearance of the truck.