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Flowmaster 50 Series Big Block Mufflers


Flowmaster
Flowmaster 50 Series Big Block Mufflers

Product images may differ from actual product appearance.

Flowmaster 50 Series Big Block Mufflers are Flowmaster's largest yet quietest for tow vehicles, motorhomes/RVs, trucks, and SUVs. They have huge H-chambers to minimize in-cab resonance and enough case volume to handle engines under heavy loads. Made in the USA.

Features
  • Aluminized 16-gauge steel MIG welded for maximum durability
  • Improved mileage, horsepower, and torque with reduced engine heat and wear
  • Mild stock exterior sound with mild interior resonance
  • Case: 22" L (5" Thick)
  • Overall: 28" L x 12" W
  • 3-year warranty



  • 6 Products

    Offset In/Offset Out

    389-53553
    50 Series Big Block Muffler
  • Offset In/Offset Out 3.5"
    More info on Flowmaster 53553

    Fits Applications
    • FREE
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      & HANDLING!
  • $169.99
    Order Today Ships 04/23/14

    Offset In/Center Out

    389-53551
    50 Series Big Block Muffler
  • Offset In/Center Out 3.5"
    More info on Flowmaster 53551

    Fits Applications
    • FREE
    • SHIPPING
      & HANDLING!
  • $169.99
    Order Today Ships 04/23/14

    Center In/Center Out

    389-53550
    50 Series Big Block Muffler
  • Center In/Center Out 3.5"
    More info on Flowmaster 53550

    Fits Applications
    • FREE
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      & HANDLING!
  • $169.99
    Order Today Ships 04/30/14

    Dual In/Offset Out

    389-530513
    50 Series Big Block Muffler
  • Dual In 3"/Single Offset Out 3.5"
    More info on Flowmaster 530513

    Fits Applications
    • FREE
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      & HANDLING!
    Installation Instructions for Flowmaster 530513
  • $182.99
    Ships

    Dual In/Dual Out

    389-527504
    50 Series Big Block Muffler
  • Dual In 2.75"/Dual Out 2.5"
    More info on Flowmaster 527504

    Fits Applications
    • FREE
    • SHIPPING
      & HANDLING!
    Installation Instructions for Flowmaster 527504
  • $182.99
    Order Today Ships 04/23/14

    389-530504
    50 Series Big Block Muffler
  • Dual In 3"/Dual Out 2.5"
    More info on Flowmaster 530504

    Fits Applications
    • FREE
    • SHIPPING
      & HANDLING!
  • $182.99
    Order Today Ships 04/22/14

    6 Products