Flowtech Exhaust GMC K2500 Headers and Exhaust Manifolds

Learn how to wrap exhaust headers to help keep under hood temperatures down. This articles shows how cast iron exhaust manifolds are wrapped in 1-inch black header wrap with stainless steel exhaust wrap ties.

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.

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

Keep your rear cylinders running cool in a high performance engine by installing a water bypass kit to the intake manifold.

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.