FREE SHIPPING & HANDLING!*                           Order by 11 PM EST for Same Day Shipping!

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
    Order Today Ships 09/02/14

    389-942442
    40 Delta Flow Muffler
  • Center In/Offset Out: 2.25"
  • Aluminized Steel
  • $89.99
    Order Today Ships 09/02/14

    389-942542
    40 Delta Flow Muffler
  • Center In/Offset Out: 2.5"
  • Aluminized Steel
  • $89.99
    Order Today Ships 09/02/14

    389-943042
    40 Delta Flow Muffler
  • Center In/Offset Out: 3"
  • Aluminized Steel
  • $89.99
    Order Today Ships 09/02/14
    Offset In/Offset Out

    389-942043
    40 Delta Flow Muffler
  • Offset In/Offset Out: 2"
  • Aluminized Steel
  • $89.99
    Order Today Ships 09/02/14

    389-942443
    40 Delta Flow Muffler
  • Offset In/Offset Out: 2.25"
  • Aluminized Steel
  • $89.99
    Order Today Ships 09/02/14

    389-842443
    40 Delta Flow Muffler
  • Offset In/Offset Out: 2.25"
  • Stainless Steel
  • $102.99
    Order Today Ships 09/04/14

    389-942543
    40 Delta Flow Muffler
  • Offset In/Offset Out: 2.5"
  • Aluminized Steel
  • $89.99
    Order Today Ships 09/02/14

    389-842543
    40 Delta Flow Muffler
  • Offset In/Offset Out: 2.5"
  • Stainless Steel
  • $102.99
    Order Today Ships 09/02/14

    389-943043
    40 Delta Flow Muffler
  • Offset In/Offset Out: 3"
  • Aluminized Steel
  • $89.99
    Order Today Ships 09/02/14
    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 09/04/14

    389-942544
    40 Delta Flow Muffler
  • Same Side Offset In/Out: 2.5"
  • Aluminized Steel
  • $89.99
    Order Today Ships 09/02/14

    389-943044
    40 Delta Flow Muffler
  • Same Side Offset In/Out: 3"
  • Aluminized Steel
  • $89.99
    Order Today Ships 09/02/14
    Center In/Dual Out

    389-9425422
    40 Delta Flow Muffler
  • Center In 2.5"/Dual Out 2.25"
  • Aluminized Steel
  • $89.99
    Order Today Ships 09/02/14

    14 Products