Installation Time
(approx) 1 Hour
Difficulty Level:
Simple installation for anyone.
Installation Guides
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Flowmaster 70 Series Big Block II Center/Dual Oval Muffler; 3-Inch Inlet/2.25-Inch Outlet (Universal; Some Adaptation May Be Required)
Item CV28087
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Product Information
Features, Description, Q&A, Specs & Installation
Features & Specs
- Body Height 5.00 In
- Body Length 22.00 In
- Body Material 16 Gauge Aluminized Steel
- Body Width 10.00 In
- Category Exhaust
- Emission Code 5
- Finish High-Temperature Black 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, Weld-On
- Mount Type Requires New Hangers Not Included
- Muffler Series 70 Series Big Block
- Muffler Type Chambered
- Outlet Connection Slip-Fit
- Outlet Inside Diameter 2.25 In
- Outlet Location Dual
- Outlet Outside Diameter 2.38 In
- Outlet Quantity 2
- Outlet Type Dual
- Overall Length 28.00 In
- Part Type Exhaust Muffler
- Product Type Street Mufflers
- Reversible No
- Shape Oval
- Sound Level Mild
- Sub Category Mufflers
- Tunable No
| Brand | Flowmaster |
| Muffler Inlet Size | 3.00 Inch |
| Muffler Installation Type | Clamp-On Muffler |
| Muffler Type | Chambered Muffler |
Description
Superior Muffler Performance. The Flowmaster 70 Series Big Block II Center/Dual Oval Muffler; 3-Inch Inlet/2.25-Inch Outlet is engineered to enhance exhaust flow while providing a mild exterior sound profile. It is ideal for trucks, SUVs, motorhomes, and high-performance street vehicles, balancing sound control with gains in horsepower, torque, and engine efficiency.
Construction and Appearance. Crafted from 16 gauge aluminized steel, this muffler features durable fully MIG-welded construction and is finished with high-temperature black paint to resist corrosion and maintain a professional appearance. The enlarged case integrates Flowmaster’s Delta Flow® technology for improved sound tuning and performance.
Installation. This universal-fit muffler requires moderate installation skills and may require some adaptation for proper fit, including the use of new hangers which are not included. Slip-fit inlet and outlet connections simplify mounting without the need for extensive modifications or drilling.
Warranty. Warranty coverage is provided as per manufacturer’s terms to ensure product reliability and satisfaction.
Application. Designed for universal fitment, this muffler fits most applications though some adaptation may be necessary for proper installation. This may include modifications related to hanger placement or exhaust system compatibility.
Flowmaster 530722
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) 70 Series Big Block II Oval Muffler to 3 Inch Inlet / 2.25 Inch Dual Outlet
4.7
Reviews of Flowmaster Exhaust Products (500+)
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