2021-2026
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 FB67302
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Product Information
Features, Description, Q&A, Specs & Installation
Features & Specs
- Durable Fully Welded 16 Gauge 409 Stainless Steel
- Aggressive Sound Exterior Exhaust Tone
- Noticeable Interior Resonance
- Excellent Street, Strip, and Off-Road Application
- Body Height 4.00 In
- Body Length 13.00 In
- Body Material 409 Stainless Steel
- Body Width 9.50 In
- Clamping Type Flat Band
- Clamps Included No
- Emission Code 5
- Exhaust Tip Quantity 0
- Finish High-Temperature Black Paint
- Fitment Universal; Some Adaptation May Be Required
- Grade Type Performance
- Hanger Included No
- Heat Shield Attached No
- Inlet Connection Slip-Fit Clamp-On
- Inlet Diameter 3.00 In
- Inlet Inside Diameter 3.00 In
- Inlet Location Center
- Inlet Outside Diameter 3.13 In
- Inlet Quantity 1
- 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
Original 40 Series Performance. The Flowmaster 40 Series Center/Dual Out Oval Muffler with a 3-Inch inlet and 2.50-Inch outlet delivers the iconic aggressive sound signature Flowmaster is known for. Designed for street, strip, and off-road use, it offers an aggressive exterior tone with noticeable interior resonance, enhancing exhaust presence while maintaining emissions compliance.
Construction and Appearance. Made from durable 16-gauge 409 stainless steel, this muffler is fully MIG welded to ensure maximum structural integrity and longevity. It features a high-temperature black painted finish that resists corrosion and heat, providing lasting protection against the elements.
Installation. This muffler uses slip-fit clamp-on inlet and outlet connections for straightforward installation. Due to its universal fitment design, some adaptation may be necessary. New hangers are required as they are not included.
Warranty. This product comes with a limited warranty to guarantee quality and customer satisfaction.
Application. Suitable for universal fitment; some adaptation may be required.
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
Tech Guides:
4.7
Reviews of Flowmaster Exhaust Products (500+)
Questions & Answers
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