Flowmaster FlowFX Muffler

FlowFX Muffler - 2.25 In/Out - Round Body - Straight Through Performance - Moderate Sound - Stainless Steel

PART# 71415

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$44.43   Suggested Retail
$39.99   Your Price
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Universal Muffler - Not a direct fit. Some adaptation required.


Flowmaster's FlowFX series mufflers are for the enthusiast who is looking for an economically priced performance muffler that delivers a moderate sound level and tone, both inside and outside the vehicle. The large straight-through smooth core offers up a different sound than that typical "chambered" sound that Flowmaster has become famous for. These new FlowFX mufflers have a compact 4.00 inch diameter round body that will fit nicely on just about any application and feature a fully welded 409S stainless steel case for increased durability.


  • Durable fully welded 409S stainless steel case
  • Flowmaster quality
  • Straight through design
  • Moderate exterior performance tone


California Proposition 65 Chemical NameChromium (hexavalent compounds)
California Proposition 65 RequiredYes
Emission Code5
Inlet Connection TypeClamp
Inlet Diameter (in)2.25
Inlet PositionCentered
Inlet Quantity1
MaterialStainless Steel
Muffler Body Height/Thickness4
Muffler Body Height/Thickness (in)4
Muffler Body Length (in)14
Muffler Body ShapeRound
Muffler Body Width (in)4
Muffler Inlet Diameter (in)2.25
Muffler Outlet Diameter (in)2.25
Muffler Overall Length (in)20
Muffler SeriesFlow FX
Muffler TypeAbsorption
Outlet Connection TypeClamp
Outlet Diameter (in)2.25
Outlet PositionCenter
Outlet Quantity1
Product TypeAbsorption Muffler
Sound LevelModerate Sound
Type of MufflerHigh Flow, Straight Through
Part Number71415


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.

Tech Resources

Universal Muffler - Not a direct fit. Some adaptation required.
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        Some parts are not legal for use in California or other states with similar regulations.