Mercury Exhaust Cutouts

Loud when you want it, quiet when you don't! Learn how exhaust cutouts work, manual vs electric models, and which is best for your build.

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

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

How to replace sway bars in a Mercury Comet and the advantages that come with it.

Mick Rau has a garage full of cool cars, but this Hirohata-inspired Merc is a standout.

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.

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.

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.

Rebuilding an engine? Stay organized by using a valvetrain rocker arm organizer tray while disassembling the valvetrain components. Learn some tips on why you shouldn't mix up lifters if you intend on using them again.

Learn how to use Speedway Motors' Oil Filter Opener to open your filter and inspect how your the health of your motor.