2024-2025
2015-2023
2010-2014
2005-2009
1999-2004
1994-1998
1979-1993
Installation Time
(approx) 2 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
Guaranteed 12/24 Delivery Still Available see item page for details! available on most items - Details
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Flowmaster Super 40 Series Offset/Offset Oval Muffler; 3-Inch Inlet/3-Inch Outlet (Universal; Some Adaptation May Be Required)Find parts that fit my vehicle
Item 399108
$139.45
1 Reviews
On Sale
-10% $139.45 each Was $154.95
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Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features & Specs
- 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
- Universal Fitment; Modifications Will Be Required
| Brand | Flowmaster |
| Muffler Inlet Size | 3.00 Inch |
Description
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.
Modifications Required. This Muffler was designed to be used on mutliple applications, as it is not a direct fit replacement part. In order to install this Muffler properly on your vehicle, some modifications to the exhaust system will be required.
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.
Flowmaster 853048
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (1) Muffler
5.0
Customer Reviews (1)
Reviews of Flowmaster Exhaust products have an average rating of 4.7 out of 5
Questions & Answers
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