Continued exposure to your motorcycle's engine can be harmful to your hearing, but these simple tips can help to make your ...

Nope, it's not just to make them louder. The post Why Do Some Sports Cars Have Four Separate Exhaust Pipes? appeared first on MotorBiscuit.

Improve exhaust flow by changing dump pipes, mufflers, converters, and piping - reduce backpressure by 75%. The first performance modification that many people make is to replace the exhaust system.