Flowmaster Scavenger X-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.

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.