2019-2026
2014-2018
2007-2013
1999-2006
Installation Time
(approx) 1 Hour
Difficulty Level:
Simple installation for anyone.
Installation Guides
No guide available for this part yet.
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Flowmaster 40 Series Center/Dual Out Oval Muffler; 3-Inch Inlet/2.50-Inch Outlet (Universal; Some Adaptation May Be Required)
Item S591058
Our Price
$135.95 each
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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 409 Stainless Steel
- Body Width 9.50 In
- Category Exhaust
- Clamping Type Flat Band
- Clamps Included No
- Emission Code 5
- Exhaust Tip Quantity 0
- Finish High-Temperature Paint
- Fitment Universal; Some Adaptation May Be Required
- Grade Type Performance
- Hanger Included No
- Heat Shield Attached No
- 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, Weld-On
- Mount Type Uses New Hangers Not Included
- Muffler Series Original 40 Series
- 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
- Sub Category Mufflers
- Tunable No
- Vehicle Type 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
Performance Muffler. The Flowmaster 40 Series Center/Dual Out Oval Muffler; 3-Inch Inlet/2.50-Inch Outlet is engineered to deliver an aggressive exhaust tone both inside and outside the vehicle. This muffler is ideal for street, strip, and off-road use, offering the iconic original Flowmaster sound that enhances the driving experience while optimizing exhaust flow.
Construction and Appearance. Made from durable 16 gauge 409 stainless steel, this muffler features a fully MIG welded body for maximum strength and longevity. It is finished with high-temperature black paint that resists heat and corrosion. The muffler has an oval shape with dimensions of 13 inches in length, 9.5 inches in width, and 4 inches in height.
Installation. Installation is straightforward, featuring a slip-fit inlet and dual outlet design that requires no drilling. The muffler utilizes new hangers, which are not included, and offers inlet options compatible with clamp-on or weld-on applications.
Warranty. This product includes a limited warranty for customer confidence.
Application. Designed for universal fitment; some adaptation may be necessary.
Flowmaster 80430402
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) 40 Series Center/Dual Out Oval Muffler
4.7
Reviews of Flowmaster Exhaust Products (500+)
Questions & Answers
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