Chevy Impala Exhaust 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.

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A customer wrote in talking about turning his 1967 Chevy Impala into a gasser. He wanted to know if we could help. Tech John W. lays out a couple options