2018-2026
2007-2018
1997-2006
1987-1995
1976-1986
Installation Time
(approx) 2 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
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Flowmaster 40 Series Dual In/Center Oval Muffler; 2.50-Inch Inlet/3-Inch Outlet (Universal; Some Adaptation May Be Required)
Item J250785
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Product Information
Features, Description, Q&A, Specs & Installation
Features & Specs
- _x000D_
- 40 Series - 2.50 Dual In / 3.00 Center Out - Distinctive Aggressive Sound _x000D_
- Legal For Sale Or Use On Emissions Controlled Vehicles, Uncontrolled 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
Proven Performance Muffler. The Flowmaster 40 Series Dual In/Center Oval Muffler, featuring 2.50-inch dual inlets and a 3.00-inch center outlet, delivers a distinctive aggressive sound while promoting efficient exhaust flow to enhance engine performance. It is engineered for both street and racing use, optimizing exhaust scavenging to boost power and throttle response—ideal for automotive enthusiasts seeking a perfect balance of sound and performance.
_x000D__x000D_Construction and Appearance. This muffler boasts a rugged chambered design made from durable steel to endure harsh conditions. It is coated with a corrosion-resistant finish that extends longevity and preserves a clean, factory-quality appearance even after extended use.
_x000D__x000D_Installation. Installation is straightforward, typically requiring basic tools without the need for drilling. The muffler’s design allows for easy integration into most exhaust systems with minimal modifications.
_x000D__x000D_Application. Designed for universal fitment; however, some adaptation may be necessary to accommodate specific exhaust layouts and configurations.
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
4.7
Reviews of Flowmaster Exhaust Products (500+)
Questions & Answers
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