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Flowmaster 40 Series Delta Flow Mufflers


Flowmaster
Flowmaster 40 Series Delta Flow Mufflers

Product images may differ from actual product appearance.

The two-chamber design of these mufflers incorporates Flowmaster's patented Delta Flow technology. Delta deflectors result in increased scavenging for better performance and reduced interior resonance over standard 40 Series Mufflers.

Features
  • For 4-cylinder and 6-cylinder applications with limited space
  • The quietest muffler of the dual chamber 40 Series plus reduced interior resonance
  • Case: 13" L (4" Thick)
  • Overall: 19" L x 9.75" W
  • Aluminized steel or 409S stainless steel (stainless has limited lifetime warranty)
  • MIG welded for maximum durability


  • 14 Products
    Center In/Offset Out

    389-942042
    40 Delta Flow Muffler
  • Center In/Offset Out: 2"
  • Aluminized Steel
  • $89.99
    Ships

    389-942442
    40 Delta Flow Muffler
  • Center In/Offset Out: 2.25"
  • Aluminized Steel
  • $89.99
    Ships

    389-942542
    40 Delta Flow Muffler
  • Center In/Offset Out: 2.5"
  • Aluminized Steel
  • $89.99
    Ships

    389-943042
    40 Delta Flow Muffler
  • Center In/Offset Out: 3"
  • Aluminized Steel
  • $89.99
    Ships
    Offset In/Offset Out

    389-942043
    40 Delta Flow Muffler
  • Offset In/Offset Out: 2"
  • Aluminized Steel
  • $89.99
    Ships

    389-942443
    40 Delta Flow Muffler
  • Offset In/Offset Out: 2.25"
  • Aluminized Steel
  • $89.99
    Ships

    389-842443
    40 Delta Flow Muffler
  • Offset In/Offset Out: 2.25"
  • Stainless Steel
  • $102.99
    Order Today Ships 07/30/14

    389-942543
    40 Delta Flow Muffler
  • Offset In/Offset Out: 2.5"
  • Aluminized Steel
  • $89.99
    Ships

    389-842543
    40 Delta Flow Muffler
  • Offset In/Offset Out: 2.5"
  • Stainless Steel
  • $102.99
    Ships

    389-943043
    40 Delta Flow Muffler
  • Offset In/Offset Out: 3"
  • Aluminized Steel
  • $89.99
    Ships
    Offset In/Offset Out (Same Side)

    389-942444
    40 Delta Flow Muffler
  • Same Side Offset In/Out: 2.25"
  • Aluminized Steel
  • $89.99
    Order Today Ships 07/30/14

    389-942544
    40 Delta Flow Muffler
  • Same Side Offset In/Out: 2.5"
  • Aluminized Steel
  • $89.99
    Ships

    389-943044
    40 Delta Flow Muffler
  • Same Side Offset In/Out: 3"
  • Aluminized Steel
  • $89.99
    Ships
    Center In/Dual Out

    389-9425422
    40 Delta Flow Muffler
  • Center In 2.5"/Dual Out 2.25"
  • Aluminized Steel
  • $89.99
    Ships

    14 Products