How do I make my muffler sound deeper?

I love an impressive-sounding engine, and I think I want to lower my own muffler’s sound to achieve the same for my car. How do I make my muffler sound deeper?

Kathryn Mae Kurlychek · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
Modifying your muffler can make your engine sound more impressive. Here are a few simple ways how to make a muffler sound deeper:
  • Replace the muffler: Most S-shaped mufflers are designed to absorb as much engine sound as possible—so replacing yours with a straight muffler can increase your engine noise and help you achieve the sound you’re looking for.
  • Increase Bore: Increasing the bore of your exhaust pipe will allow for bigger, better sounds to come through—but be wary not to over-widen. A half-inch to one-inch should be all the increase you need to get the loud-sounding engine of your dreams.
  • Add an exhaust tip: Exhaust tips fit right into your tailpipe, come in various shapes and sizes, and are relatively cheap—and they’ll help increase the sound of your engine.
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