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Flowmaster Super 10 Muffler - 2.50 In/2.50 Out 8425154

Item #22139

Flowmaster Super 10 Muffler - 2.50 In/2.50 Out 8425154
8425154 Super 10 Muffler
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Super 10 Series Muffler - 2.50 in. IN/OUT - Aggressive Sound


  • Flowmaster Reliability
  • 409S Stainless Steel Construction
  • Super Aggressive Sound
  • Flowmaster Chambered Technology

Flowmaster's Super 10 Series 409S Stainless Steel - Single Chamber mufflers are intended for customers who desire the loudest and most aggressive sound they can find. Because these mufflers are so aggressive, they are recommended only for off highway use and not for street driven vehicles. These mufflers utilize the same patented Delta Flow technology that is found in Flowmaster's other Super series mufflers to deliver maximum performance. Super 10 Series mufflers are constructed of 16-gauge 409S Stainless Steel and fully MIG-welded for maximum durability. These mufflers are covered by Flowmaster's Lifetime Limited Warranty.


(1) 8425154 Super 10 Muffler


Automotive Item Grade: High Performance
Body Height (in): 4.25
Body Length (in): 6.5
Body Width (in): 9.75
Brand: Flowmaster
California Proposition 65 Chemical Name: Chromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 Required: Yes
Color: Black
Emission Code: 5
Fitment: Universal
Inlet Connection Type: Pipe Connection
Inlet Diameter (in): 2.5
Inlet Position: Dual
Material: Stainless Steel
Mount Type: Uses New Hangers (Not Included)
Muffler Series: Super 10 Series
Muffler Type: Reflection
Outlet Connection Type: Pipe Connection
Outlet Diameter (in): 2.5
Outlet Position: Dual
Overall Length (in): 12.5
Product Type: Street Mufflers
Shape: Oval
Sound Level: Aggressive Sound
Part Number: 8425154


This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.


3 Year Manufacturers Warranty

Warranty for Part# 8425154


Universal Muffler – Not a direct fit. Some adaptation required.

Eastwood Offers Free Lifetime Technical Support

Click here for product SDS information

Attention California Residents - Proposition 65

Proposition 65 Warning WARNING - Cancer and Reproductive Harm -


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