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Flowmaster 40 Series Original Mufflers
Flowmaster 40 Series Original Muffler

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Flowmaster 40 Series Original Mufflers

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.

Vehicle Accessories carries a complete line of Flowmaster products. Stop by any of our locations in Flint, Bay City, Clarkston and Lansing or call us Toll Free at 1-866-820-2119 for pricing and availability. If you don't see a product that you were looking for, please give us a call so that we may assist you.

How to Select the Right Flowmaster Muffler for your Vehicle - Series Differences Explained

  • 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

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