Legends Exhaust Pipe Adapters

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.

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.

The classic 350 small-block Chevy is beloved for its simplicity and strength. And yes, you can turbocharge it to unlock modern levels of horsepower. Turbocharging a SBC 350 can transform your vintage V8 into a streetable, tire-shredding monster..

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.

Exhaust clamps are the perfect DIY solution to assembling your performance exhaust system at home, but what is the best clamp to use for your application. Find out in our buyer’s guide.

AN fittings are a simple and effective way to plumb fluid systems in your car. This AN fittings install guide answers some of the more common questions pertaining to AN fittings and AN line.

Learn how to properly mockup a 2JZ swap with Toyota's legendary engine using our guide to mounts, turbos, and essential components

Build a high-performance Gen V LT engine with proven power combos and learn about LT upgrades and tuning tips for maximum power

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.