GMC C15 Exhaust Pipe Adapters

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

See how to install 3" Ram Horn exhaust manifolds on a C/10 with a 406 engine. Learn some tips on welding steel tubing to a cast iron manifold and how they are modified to fit the truck.

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

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.

An overview on swapping turbo mufflers for chamber mufflers on a 1969 C/10 pickup. See how to extend the muffler length using exhaust pipe.

Read how to install rear drop spring to lower a 1969 C10 pickup. Follow these steps for a smooth installation.

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

Decode, ID, and upgrade your GM 12-bolt rear end. Learn axle specs, gear ratios, and best performance parts upgrades.