2019-2026
2014-2018
2007-2013
1999-2006
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 S591055
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Product Information
Features, Description, Q&A, Specs & Installation
Features & Specs
- _x000D_
- Body Height 5.00 In _x000D_
- Body Length 22.00 In _x000D_
- Body Material Aluminized Steel _x000D_
- Body Width 10.00 In _x000D_
- Category Exhaust _x000D_
- Emission Code 5 _x000D_
- Finish High-Temperature Paint _x000D_
- Fitment Universal; Some Adaptation May Be Required _x000D_
- Grade Type Performance _x000D_
- Inlet Connection Slip-Fit _x000D_
- Inlet Diameter 3.00 In _x000D_
- Inlet Inside Diameter 3.00 In _x000D_
- Inlet Location Center _x000D_
- Inlet Outside Diameter 3.13 In _x000D_
- Inlet Quantity 1 _x000D_
- Inlet Type Clamp-On or Weld-On _x000D_
- Mount Type Uses New Hangers; Not Included _x000D_
- Muffler Series 70 Series Big Block _x000D_
- Muffler Type Chambered _x000D_
- Outlet Connection Slip-Fit _x000D_
- Outlet Inside Diameter 2.25 In _x000D_
- Outlet Location Dual _x000D_
- Outlet Outside Diameter 2.38 In _x000D_
- Outlet Quantity 2 _x000D_
- Outlet Type Dual _x000D_
- Overall Length 28.00 In _x000D_
- Part Type Exhaust Muffler _x000D_
- Product Type Street Mufflers _x000D_
- Reversible No _x000D_
- Shape Oval _x000D_
- Sound Level Mild _x000D_
- Sub Category Mufflers _x000D_
- Tunable No _x000D_
- Vehicle Type Classic Muscle Car, Street/Strip, Truck/SUV _x000D_
| Brand | Flowmaster |
| Muffler Inlet Size | 3.00 Inch |
| Muffler Installation Type | Clamp-On Muffler |
| Muffler Type | Chambered Muffler |
Description
Performance Muffler. The Flowmaster 70 Series Big Block II Center/Dual Oval Muffler with a 3-Inch Inlet and 2.25-Inch Outlet delivers a mild yet aggressive exhaust tone ideal for trucks, SUVs, motorhomes, tow vehicles, and high-performance street cars. It enhances horsepower, torque, and engine efficiency while offering excellent sound control and minimal interior resonance.
_x000D__x000D_Construction and Appearance. Crafted from durable 16 gauge aluminized steel with full MIG welding, this muffler ensures long-lasting strength. It is coated with high-temperature black paint to resist heat and corrosion and features an oval shape designed to fit a variety of exhaust systems.
_x000D__x000D_Installation. Installation is straightforward with slip-fit connections for both inlet and outlet, offering clamp-on or weld-on options. New hangers are required but not included, and some adaptation may be necessary to achieve proper fitment.
_x000D__x000D_Application. This muffler is designed for universal fitment but may require modification or adaptation to suit specific vehicles and exhaust configurations.
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+)
Questions & Answers
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