2020-2026
2015-2019
2007-2014
2001-2006
Installation Time
(approx) 2 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
FREE 1 to 3-Day Delivery on Orders $149+ Details
Find Mufflers for your Sierra 3500
Flowmaster 40 Series Dual In/Center Oval Muffler; 2.50-Inch Inlet/3-Inch Outlet (Universal; Some Adaptation May Be Required)
Item SHG60223
Our Price
$101.95 each
Military, Medical & First Responders
$5.10 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, Reviews, Q&A, Specs & Installation
Features & Specs
- _x000D_
- 40 Series - 2.50 Dual In / 3.00 Center Out - Aggressive Sound _x000D_
- Legal for sale or use on emissions-controlled vehicles, uncontrolled non-emissions-controlled vehicles, and racing use only vehicles _x000D_
- Does not affect vehicle emissions and is not covered by emissions regulations _x000D_
- Fits universal; some adaptation may be required _x000D_
| Brand | Flowmaster |
| Muffler Inlet Size | 2.50 Inch |
| Muffler Installation Type | Clamp-On Muffler |
| Muffler Type | Chambered Muffler |
Description
Performance Muffler. The Flowmaster 40 Series Dual In/Center Oval Muffler with 2.50-inch inlet and 3.00-inch outlet is engineered to deliver an aggressive sound while optimizing exhaust flow. It enhances both the auditory appeal and performance of the exhaust system, making it ideal for enthusiasts seeking a distinctive tone without compromising emissions compliance.
_x000D_Construction and Appearance. Crafted from durable materials, this muffler features a chambered design that produces its signature sound and performance. It is finished with a rugged coating to ensure resistance to heat and corrosion, providing a professional appearance.
_x000D_Installation. Installation is moderately straightforward and typically requires no drilling, allowing for a seamless and efficient fitment in most applications. Minor adaptations may be needed depending on the specific exhaust configuration.
_x000D_Application. This muffler fits universally, with some adaptation required to ensure proper installation and fitment in various exhaust systems.
Flowmaster 425403
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) Muffler
5.0
Customer Reviews (1)
Questions & Answers
No questions about this product yet.
Ask the First Question
