Flowmaster 409S stainless steel Outlaw Series race muffler 815425 - Read Reviews on Flowmaster #815425

Flowmaster Performance Exhaust Muffler

Vehicle Specific

Part Number: 815425
Features & Benefits

Outlaw mufflers are designed to be connected directly to the header collectors or can be added into an existing exhaust system. Recommended for racing applications where a muffler is required without a set decibel limit to be met. Please call the Flowmaster tech-line for assistance with specific dB requirements and applications.

  • Mandrel bent 16 gauge aluminized tubing
  • Over the axle pipe with optional tailpipe exit
  • 25,000 mile internal components emissions
  • Premium Flowmaster quality
  • Dyno proven performance
Product Details
Part Number: 815425
Weight: 6.50lbs
Notes: Enter your vehicle information above to see product notes.
Body Diameter (in): 4.5
Body Length (in): 11
Body Material: Stainless Steel
Fitment: Universal
Inlet: Centered
Item Grade: High Performance
Mount Type: Uses New Hangers (Not Included)
Muffler Body Height (in): 4.5
Muffler Body Width (in): 4.5
Muffler Color / Finish: Black
Muffler Inlet Connection Type: Pipe Connection
Muffler Inlet Count: 1
Muffler Inlet Diameter (in): 2.5
Muffler Inlet Diameter Designation: Inside Diameter
Muffler Outlet Connection Type: Pipe Connection
Muffler Outlet Count: 1
Muffler Outlet Diameter (in): 2.5
Muffler Outlet Diameter Designation: Inside Diameter
Muffler Reversible: No
Outlet: Centered
Overall Length (in): 16
Shape: Round
Type: Absorption
Shipping Information: Overnight and Two Day shipping are not available for PO Box, APO/FPO/DPO or US Territory addresses.
  • Overall

    Flowmaster 409S stainless steel Outlaw Series race muffler


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