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Flowmaster Super 40 Series Offset/Offset Oval Muffler - 3.0 in. (79-04 All, Excluding 99-04 Cobra)

Market Price $118.99 You Save 12% ($14.51)
Our Price

$104.48 (each)

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  • Item 399108
  • MPN# 853048

In Stock Ships same business day. Choose options to add to cart

Features & Details

  • Deep, Throaty Growl
  • Increased Exhaust Flow for Horsepower and Torque Gains
  • Offset/Offset Oval Chambered Muffler
  • 3” Offset Inlet; 3” Offset Outlet
  • 409 Stainless Steel
  • Limited Lifetime Warranty
  • Designed to fit 1979-2004 Ford Mustangs (Excluding the 1999-2004 Cobra Models)
Reach New Levels of Performance. The Flowmaster Super 40 Series Offset/Offset Oval Muffler (3”) features all the beloved features of the famous 40 Series mufflers, with exciting innovation and improved designs. Your driving experience will get a boost from the increased exhaust flow, bumping up your horsepower, torque, and overall engine efficiency. Dyno-tested, the Super 40 Series mufflers prove to be one of the best options on the market.

Crank Up the Volume. If you’ve been searching for a way to achieve that deep, throaty race car roar, look no further than the offset/offset oval muffler from Flowmaster. Modeled after Flowmaster’s race mufflers, the Super 40 series will deepen your Mustang’s exterior sound while maintaining low interior noise. Show other drivers what high-quality muscle car modifications really sound like when they hear the powerful growl of your car.

Excellent American Craftsmanship. The fully MIG-welded 409 stainless steel construction of the Super 40 Series Offset/Offset Oval Muffler guarantees it will be a lasting modification that endures many miles of high-performance driving. Made in America, it is a part that exemplifies quality craftsmanship. The natural finish gives the muffler a polished, classic look that will never go out of style.

Limited Lifetime Warranty. Flowmaster backs their mufflers with a limited lifetime warranty.

Application. The Flowmaster Super 40 Series Offset/Offset Oval Muffler (3”) is designed to fit 1979-2004 Ford Mustangs, with the exception of the 1999-2004 Cobra models.

Fitment: 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 Details

What's in the Box
  • (1) Muffler
Installation Info
Will it fit my Mustang?
  • Foxbody - 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93
  • GT - 94, 95, 96, 97, 98, 99, 00, 01, 02, 03, 04
  • V6 - 94, 95, 96, 97, 98, 99, 00, 01, 02, 03, 04
  • Bullitt - 01
  • Cobra - 94, 95, 96, 97, 98, 93
  • Mach 1 - 03, 04

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