2021-2026
2015-2020
2009-2014
2004-2008
1997-2003
Installation Time
(approx) 1 Hour
Difficulty Level:
Simple installation for anyone.
Installation Guides
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Flowmaster 40 Series Delta Flow Center/Dual Out Oval Muffler; 3-Inch Inlet/2.50-Inch Outlet (Universal; Some Adaptation May Be Required)
Item T631957
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Product Information
Features, Description, Q&A, Specs & Installation
Features & Specs
- Body Height 4.00 In
- Body Length 13.00 In
- Body Material Aluminized Steel
- Body Width 9.75 In
- Color Black
- Emission Code 5
- Finish High-Temperature Paint
- Fitment Universal; Some Adaptation May Be Required
- Grade Type Performance
- Inlet Connection Slip-Fit
- Inlet Diameter 3.00 In
- Inlet Inside Diameter 3.00 In
- Inlet Location Center
- Inlet Outside Diameter 3.13 In
- Inlet Quantity 1
- Inlet Type Clamp-On
- Inlet Type Weld-On
- Mount Type Uses New Hangers Not Included
- Muffler Series 40 Series Delta Flow
- Muffler Type Chambered
- Outlet Connection Slip-Fit
- Outlet Inside Diameter 2.50 In
- Outlet Location Dual
- Outlet Outside Diameter 2.63 In
- Outlet Quantity 2
- Outlet Type Dual
- Overall Length 19.00 In
- Part Type Exhaust Muffler
- Product Type Street Mufflers
- Reversible No
- Shape Oval
- Sound Level Aggressive
- Tunable No
- Vehicle Type 4/6 Cyl Engine Classic Muscle Car Late Model Muscle Car Street Rod Street/Strip Truck/SUV
| Brand | Flowmaster |
| Muffler Inlet Size | 3.00 Inch |
| Muffler Installation Type | Clamp-On Muffler |
| Muffler Type | Chambered Muffler |
Description
High-Performance Muffler. The Flowmaster 40 Series Delta Flow Center/Dual Out Oval Muffler with a 3-inch inlet and 2.50-inch dual outlets is engineered to deliver an aggressive exhaust tone while enhancing scavenging for improved engine performance. It is ideal for street, strip, and off-road applications that require a balanced sound and efficient exhaust flow.
Construction and Appearance. Constructed from durable 16-gauge aluminized steel, this muffler is fully MIG welded for maximum strength and longevity. It is finished with a high-temperature black paint that resists corrosion and provides a sleek, professional appearance.
Installation. This muffler features slip-fit connections for both inlet and dual outlets, allowing installation without extensive modifications or drilling. It requires new hangers (not included), facilitating straightforward adaptation for universal fit applications.
Warranty. This product includes a limited warranty to ensure quality and customer satisfaction.
Application. Compatible with a broad range of vehicles, including 4 and 6-cylinder engines, classic and late model muscle cars, street rods, street/strip vehicles, and trucks/SUVs. Universal fitment; some adaptation may be necessary for installation.
Flowmaster 9430402
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) Flowmaster 40 Series Delta Flow Center/Dual Out Oval Muffler (3-Inch Inlet / 2.50-Inch Outlet)
4.7
Reviews of Flowmaster Exhaust Products (500+)
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