2019-2026
2014-2018
2007-2013
1999-2006
FREE 1 to 3-Day Delivery on Orders $149+ Details
Find Mufflers for your Silverado 1500
Flowmaster 70 Series Big Block II Center/Dual Out Oval Muffler; 3-Inch Inlet/2.50-Inch Outlet (Universal; Some Adaptation May Be Required)
Item S211137
Our Price
$274.95
Military, Medical & First Responders
$13.75 Available in AT Cash Rewards.
Confirm Eligibility
Confirm Eligibility
Choose options to add to cart.
Saved - View your saved items
We're sorry. We couldn't save this product at this time.
or use
Shop Owners Save More!
Sign up for our dealer program
Product Information
Features, Description, Q&A, Specs & Installation
Features & Specs
- _x000D_
- Center Body Length 10 Inch _x000D_
- Body Diameter 5 Inch _x000D_
- Inlet Diameter 3 Inch _x000D_
- Outlet Diameter 2.50 Inch _x000D_
- Pipe Diameter 2.50 Inch _x000D_
- Center Body Shape Oval _x000D_
- Center Body Type Chambered _x000D_
- Hanger Included Yes _x000D_
- Muffler O.D. 5 Inch _x000D_
- Material Aluminized Steel _x000D_
- Noise Level Medium _x000D_
- Type Muffler _x000D_
- Fits Universal; Some Adaptation May Be Required _x000D_
| Brand | Flowmaster |
| Muffler Inlet Size | 3.00 Inch |
| Muffler Installation Type | Clamp-On Muffler |
| Muffler Type | Chambered Muffler |
Description
Performance Enhancement. The Flowmaster 70 Series Big Block II Center/Dual Out Oval Muffler features a 3-inch inlet and 2.50-inch outlet designed to optimize exhaust flow while delivering a distinctive, aggressive sound. It reduces exhaust restriction, improves engine efficiency, and provides a medium noise level that balances performance with everyday usability.
_x000D_Construction and Appearance. Constructed from durable aluminized steel, this muffler resists corrosion and heat damage. Its chambered oval design enhances exhaust flow and sound quality, while the aluminized finish offers a clean, industrial look with added protection against the elements.
_x000D_Installation. Installation is straightforward and generally does not require drilling. Some adaptation may be needed to fit specific setups, making it suitable for most custom exhaust applications with standard tools.
_x000D_Application. Designed to fit universal applications; some adaptation may be required for specific vehicle configurations.
Flowmaster 530702
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
4.7
Reviews of Flowmaster Exhaust Products (500+)
Questions & Answers
No questions about this product yet.
Ask the First Question
