Flowmaster Stainless Steel 70 Series Big Block II Mufflers


Flowmaster
Flowmaster Stainless Steel 70 Series Big Block II Mufflers

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As an important part of our ever expanding lineup of durable, stainless high performance exhaust products, Flowmaster proudly introduces the 70 Series Big Block II mufflers in 409S stainless steel. Manufactured entirely in the USA, these five most-popular part numbers offer a mild to moderate sound level, making them ideal for vehicles used for towing, long distance driving, or any time a mild exhaust note is desired. The patented Delta Flow technology inside provides all the performance benefits you expect from Flowmaster, and the limited lifetime warranty assures that performance will last a lifetime.


Key Features:

  • Stainless Steel Construction
  • Patented Delta Flow Technology
  • Mild/Moderate Performance Tone
  • Limited Lifetime Warranty
  • Dyno Tuned For Maximum Performance


    Case Measurements: 5" x 10" x 22"



  • 70 Series Big Block II Mufflers

    389-853070
    70 Series Big Block II Muffler
  • 3" (Center Inlet/Center Outlet)
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    Fits Applications
  • $159.99
    Ships

    389-8530702
    70 Series Big Block II Muffler
  • 3" (Center Inlet)
  • 2.5" (Dual Outlet)
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    Fits Applications
  • $159.99
    Ships

    389-853071
    70 Series Big Block II Muffler
  • 3" (Offset Inlet/Center Outlet)
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    Fits Applications
  • $159.99
    Ships

    389-853072
    70 Series Big Block II Muffler
  • 3" (Center Inlet/Offset Outlet)
    View this item

    Fits Applications
  • $159.99
    Ships

    389-853073
    70 Series Big Block II Muffler
  • 3" (Offset Inlet/Offset Outlet)
    View this item

    Fits Applications
  • $159.99
    Ships