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The Race Car Muffler that provides the best performance, noise
reduction, fit and affordability!

  • Race Muffler That Fits In Tight Places
  • Reduces Noise To Meet Most Track Requirements
  • Insignificant Loss Of Horsepower From Open Headers
  • Great Fit For Street-Legal High Performance Cars & Trucks
F4 SERIES - 4" ROUND

      
   Inlet   
   Outlet   
   Part #   
2 - 1/4"
2 - 1/4"
41244
2 - 1/2"
2 - 1/2"
41255
3"
3"
41277
3 - 1/2"
3 - 1/2"
41288
      
   Inlet   
   Outlet   
   Part #   
2 - 1/4"
2 - 1/4"
41744
2 - 1/2"
2 - 1/2"
41755
3"
3"
41777
3 - 1/2"
3 - 1/2"
41788

      
   Inlet   
   Outlet   
   Part #   
2 - 1/4"
2 - 1/4"
412244
      
   Inlet   
   Outlet   
   Part #   
3" HC
2 - 1/2"
415975

   Inlet   
   Outlet   
   Part #   
2 - 1/4"
2 - 1/4"
415344
2 - 1/2"
2 - 1/4"
415354
3"
2 - 1/4"
415374


F5 SERIES - 5" ROUND

      
   Inlet   
   Outlet   
   Part #   
3"
3"
51277
3 - 1/2"
3 - 1/2"
51288
4"
4"
51299
      
   Inlet   
   Outlet   
   Part #   
3"
3"
51777
3 - 1/2"
3 - 1/2"
51788


Flo-Pro Mufflers   HD Big Oval   Twister Mufflers   V Force Performance Exhaust   Diesel Power   Baffle Packs
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