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Flowmaster Super 44 Series Muffler 409S, 2.5 In. Dual Inlet, 3 In. Center Outlet, Aggressive 8425453

Ground Up Part #: FLOW-8425453

Manufacturer Part #: 8425453

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$126.99 (Each)

MSRP: $141.99

(You Save: 11%)

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Part Details Vehicle Fitment Reviews
Flowmaster's Super 44 muffler delivers a powerful rich tone and is the most aggressive, deepest sounding, highest performing 2 chamber street muffler we've ever built! Available in 409S Stainless Steel with a Lifetime Limited Warranty, these mufflers feature our advanced Delta Flow Technology design and are fully MIG-welded for maximum durability. This new dual in/single out configuration is perfect for applications that require one muffler for both exhaust pipes to pass through and has 2.50 inch dual inlets and 3 inch center outlet with 3.50 inch internals for maximum performance.
Features:
  • Flowmaster Reliability
  • Patented Delta Flow Technology
  • Aggressive Performance Tone
  • Stainless Steel Construction

Specifications:
  • Body Height (in): 4
  • Body Length (in): 13
  • Body Width (in): 9.5
  • Inlet Diameter (in): 2.5
  • Inlet Position: Dual
  • Material: Stainless Steel
  • Muffler Series: Super 44 Series
  • Outlet Diameter (in): 3
  • Outlet Position: Center
  • Shape: Oval
  • Sound Level: Aggressive Sound

Manufacturer Part Number : 8425453

Part Notes:

Universal Muffler - Not a Direct-fit. Some adaptation required.

warning WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
Emissions
5

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

Brand
Brand Logo Flowmaster
Additional Information
  • SS396.com Part #: FLOW-8425453
  • Brand: Flowmaster
  • Manufacturer Part #: 8425453
  • Sold As: Each
  • Shipping Details: This item ships Ground.
Vehicle Fitment
Make Model Year Body Style
Pontiac Grand Prix 1978 -
Pontiac Grand Prix 1979 -
Pontiac Grand Prix 1980 -
Pontiac Grand Prix 1981 -
Pontiac Grand Prix 1982 -
Pontiac Grand Prix 1983 -
Pontiac Grand Prix 1984 -
Pontiac Grand Prix 1985 -
Pontiac Grand Prix 1986 -
Pontiac Grand Prix 1987 -
Pontiac Grand Prix 1988 -
Installation Time
Installation Time: Info Unavailable
Installation Difficulty
Installation Difficulty: Info Unavailable

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