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Flowmaster 942445 Super 44 Series Muffler, 2.25 In/Out
Flowmaster 942445 Super 44 Series Muffler, 2.25 In/Out

Flowmaster 942445 Super 44 Series Muffler, 2.25 In/Out

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Flowmaster 942445 Super 44 Series Muffler, 2.25 In/Out
Flowmaster 942445 Super 44 Series Muffler, 2.25 In/Out
Flowmaster 942445 Super 44 Series Muffler, 2.25 In/Out
Flowmaster 942445 Super 44 Series Muffler, 2.25 In/Out
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Flowmaster 942445 Super 44 Series Muffler, 2.25 In/Out
Flowmaster 942445 Super 44 Series Muffler, 2.25 In/Out
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Part # 378942445
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Flowmaster's Super 44 muffler uses the same Delta Flow technology found in our larger Super 40 mufflers. The Super 44 delivers a powerful rich tone and is the most aggressive, deepest sounding, highest performing four-inch case street muffler we've ever built! Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.

Important Messages:

  • This product is discontinued.
  • This item ships directly from the manufacturer. It may take an additional business days for Flowmaster to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.
  • This item 378942445 is made to order. It will be shipped from our warehouse when it is produced.
Some parts are not legal for use in California or other states with similar laws/regulations

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  • Pat shows that exhaust can make a difference on even your daily driver. Check out this video of Pat with the Hooker Muffler installed on his '03 Suburban.
  • If you're ready to get your street machine sounding as good as it looks, it's important to know how each muffler will affect your sound and performance. Take a listen and decide which muffler is best for your rod.
  • Maintaining your headers is an important part of any hot rod. Pat gives some tips and demonstrates how well Purple Metal Polish works for keeping your headers looking great.
  • Jeremy explains the different options of headers that Speedway Motors offers for Demolition Derby cars. Watch this video to see a variety of options and the benefits of certain headers.

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