Muscle & Classic Car Pipe to AN Fittings

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.

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.

From glasspack, turbo, and chambered mufflers, to resonators, and more, which muffler is best for you? See our guide to learn more.

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.

Fuel injection is here to stay and we delve into the benefits of such retrofit systems for your classic muscle car or street rod in our EFI retrofit buyer's guide!

What fittings should you use with your brake or fuel system? What does AN and NPT stand for? All of these questions plus more will be answered in Speedway Motors' latest article about fasteners!

The open headers were fun, but now it's time for a real exhaust on Project Chevelle. Follow along as we quiet things down with a Flowmaster American Thunder dual exhaust kit.

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

Considering boosting your LS engine? Find out what's best for your build, turbocharging or supercharging!

Who gets your pick as the best manufacturer from the golden age of the muscle car wars?