Plymouth Exhaust Intermediate Pipes

There's more to a performance exhaust system than just headers and mufflers. Selecting the best mid-pipe design and the addition of an H-pipe, X-pipe, or Y-pipe exhaust crossover can free up some inexpensive horsepower.

This dual exhaust size chart will help you choose the correct size exhaust pipe for your horsepower range.

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.

Tim M. is all about the classic, traditional hot rod style when it comes to his projects, he’s no stranger to knowing when modern parts mean better performance. Follow along as he adds a bit of modern technology to his Red Ram Hemi!