2018-2024
2007-2018
1997-2006
1987-1995
1976-1986
Installation Time
(approx) 5 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
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Flowmaster Original 40 Series Muffler; 2.50-Inch Inlet/2.50-Inch Outlet (Universal; Some Adaptation May Be Required)Find parts that fit my vehicle
Item J525578
Product Information
Features, Description, Q&A, Specs & Installation
Features
- Signature Flowmaster Sound
- Original Two Chamber Technology
- Offset Inlet and Center Outlet Design
- 2.25 Inlet/Outlet Diameter
- Fully Welded 16 Gauge Aluminized Steel Construction
- Sold Individually
- Universal Fitment; Modifications May Be Required
Description
That Flowmaster Sound. Improve your Wrangler's exhaust flow for an increase in horsepower and a deeper throatier exhaust note with a Flowmaster 40 Series Muffler for a truly classic sound.
Superior Design. The Flowmaster Original 40 Series Muffler is MIG welded from durable 16 gauge aluminized steel for durability and value. The 40 series mufflers use Flowmasters original two chamber design to increase power and sound. Each muffler is embossed with the "Flowmaster" name so you know it is the real article.
Modifications May Be Required. This Muffler was designed to be used on multiple universal applications, as it is not a direct fit replacement part. In order to install this Muffler properly on your vehicle, some modifications may be required.
Application. The 40 Series Muffler's outer case measures 4-inch x 9.75-inch x 13-inch, and features a 2.25-inch diameter inlet and outlet in an offset configuration. Sold individually.
Superior Design. The Flowmaster Original 40 Series Muffler is MIG welded from durable 16 gauge aluminized steel for durability and value. The 40 series mufflers use Flowmasters original two chamber design to increase power and sound. Each muffler is embossed with the "Flowmaster" name so you know it is the real article.
Modifications May Be Required. This Muffler was designed to be used on multiple universal applications, as it is not a direct fit replacement part. In order to install this Muffler properly on your vehicle, some modifications may be required.
Application. The 40 Series Muffler's outer case measures 4-inch x 9.75-inch x 13-inch, and features a 2.25-inch diameter inlet and outlet in an offset configuration. Sold individually.
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- Muffler
Tech Specs
Tech Guides:
4.6
Reviews of Flowmaster Exhaust Products (500+)
Reviews of Flowmaster Exhaust products have an average rating of 4.6 out of 5
Questions & Answers
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Steven H's, 2017 Wrangler JK Rubicon
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I got into Jeeps at an early age, as a child around 3-4 year of age my parts got me a power wheel Jeep and the rest was history. Growing up I always wanted a Jeep, from the day I started driving I spent my days behind the wheel of a Jeep branded vehicle, which has not changed.
I got into Jeeps at an early age, as a child around 3-4 year of age my parts got me a power wheel Jeep and the rest was history. Growing up I always wanted a Jeep, from the day I started driving I spent my days behind the wheel of a Jeep branded vehicle, which has not changed.
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