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Flowmaster 40 Series Original Mufflers

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The muffler that started it all, the original 40 Series Muffler is an aggressive sounding street/strip muffler that delivers a powerful “Flowmaster® Sound” you’ve heard so much about it. If you really want to hear your exhaust system and that great muscle car tone – from both inside and out of the vehicle – the 40 Series is for you.

  • The original high performance Flowmaster® muffler
  • Aggressive sound for the enthusiast you likes their exhaust LOUD
  • Available in either aluminized steel or 409S Stainless
  • Stainless steel mufflers covered by limited lifetime warranty
  • Fully MIG welded for durability
For more information on this product you may visit the Flowmaster website.

Flowmaster 40 Series Original Mufflers Applications:

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