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Flowmaster 70 Series Big Block II Mufflers
Flowmaster 70 Series Big Block II Muffler

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Flowmaster 70 Series Big Block II Mufflers

The 70 Series Big Block Muffler uses a longer case for increased volume and added sound reduction that will still fit many applications where the wider 50 Series Big Block muffler won't fit. The 70 Series Big Block utilizes Flowmaster's patented Delta Flow Technology for maximum efficiency and minimum interior resonance street cars, most trucks, SUV's, RVs and tow vehicles that require quiet operation with improved sound.

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

  • Best suited for truck applications – quiet operation!
  • Features three-chamber, Delta Flow Technology
  • Constructed of 16-gauge aluminized steel
  • Fully MIG-welded for maximum durability
  • Covered by three year warranty

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