FLO PRO Twister Mufflers

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

FLO PRO Twister Muffler F4 Series 4" Round, 2 1/4" Inlet, 2 1/4" Outlet (SKU: 41244)FLO PRO Twister Muffler F4 Series 4" Round, 2 1/4" Inlet, 2 1/4" Outlet (SKU: 41244)
FLO PRO Twister Muffler F4 Series 4" Round, 2 1/2" Inlet, 2 1/2" Outlet (SKU: 41255)FLO PRO Twister Muffler F4 Series 4" Round, 2 1/2" Inlet, 2 1/2" Outlet (SKU: 41255)
FLO PRO Twister Muffler F4 Series 4" Round, 3" Inlet, 3" Outlet (SKU: 41277)FLO PRO Twister Muffler F4 Series 4" Round, 3" Inlet, 3" Outlet (SKU: 41277)
FLO PRO Twister Muffler F4 Series 4" Round, 3 1/2" Inlet, 3 1/2" Outlet (SKU: 41288)FLO PRO Twister Muffler F4 Series 4" Round, 3 1/2" Inlet, 3 1/2" Outlet (SKU: 41288)
FLO PRO Twister Muffler F4 Series 4" Round, 2 1/4" Inlet, 2 1/4" Outlet (SKU: 41744)FLO PRO Twister Muffler F4 Series 4" Round, 2 1/4" Inlet, 2 1/4" Outlet (SKU: 41744)
FLO PRO Twister Muffler F4 Series 4" Round, 2 1/2" Inlet, 2 1/2" Outlet (SKU: 41755)FLO PRO Twister Muffler F4 Series 4" Round, 2 1/2" Inlet, 2 1/2" Outlet (SKU: 41755)
FLO PRO Twister Muffler F4 Series 4" Round, 3" Inlet, 3" Outlet (SKU: 41777)FLO PRO Twister Muffler F4 Series 4" Round, 3" Inlet, 3" Outlet (SKU: 41777)
FLO PRO Twister Muffler F4 Series 4" Round, 3" HC Inlet, 2 1/2" Outlet (SKU: 415975)FLO PRO Twister Muffler F4 Series 4" Round, 3" HC Inlet, 2 1/2" Outlet (SKU: 415975)
FLO PRO Twister Muffler F4 Series 4" Round, 2 1/4" Inlet, 2 1/4" Outlet (SKU: 415344)FLO PRO Twister Muffler F4 Series 4" Round, 2 1/4" Inlet, 2 1/4" Outlet (SKU: 415344)
FLO PRO Twister Muffler F4 Series 4" Round, 2 1/2" Inlet, 2 1/4" Outlet (SKU: 415354)FLO PRO Twister Muffler F4 Series 4" Round, 2 1/2" Inlet, 2 1/4" Outlet (SKU: 415354)
FLO PRO Twister Muffler F4 Series 4" Round, 3" Inlet, 2 1/4" Outlet (SKU: 415374)FLO PRO Twister Muffler F4 Series 4" Round, 3" Inlet, 2 1/4" Outlet (SKU: 415374)
FLO PRO Twister Muffler F5 Series 5" Round, 3" Inlet, 3" Outlet (SKU: 51277)FLO PRO Twister Muffler F5 Series 5" Round, 3" Inlet, 3" Outlet (SKU: 51277)
FLO PRO Twister Muffler F5 Series  5" Round, 4" Inlet, 4" Outlet (SKU: 51299)FLO PRO Twister Muffler F5 Series 5" Round, 4" Inlet, 4" Outlet (SKU: 51299)
FLO PRO Twister Muffler F5 Series  5" Round, 5" Inlet, 5" Outlet (SKU: 51600)FLO PRO Twister Muffler F5 Series 5" Round, 5" Inlet, 5" Outlet (SKU: 51600)
FLO PRO Twister Muffler F5 Series  5" Round, 3" Inlet, 3" Outlet (SKU: 51777)FLO PRO Twister Muffler F5 Series 5" Round, 3" Inlet, 3" Outlet (SKU: 51777)

Continuous spiral design minimizes turbulance for greater flow which increases HP over other spiral baffle designs.
Spiral design is less restrictive than glass packed designs.
Dual flow path cancels noise and creates a vacuum effect that accelerates the exhaust through the muffler

Race Muffler that fits in tight places
Reduces noise to meet most track requirements
Works as a resonator on noisy diesel applications
Insignificant loss of horsepower from open headers
Great fit for street-legal high performance vehicles
Availible in 2.25" - 5" inlets

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