The Flo~Pro F5 Series Twister Resonator features a continuous spiral design which is less restrictive than glass-packed designs helping to minimize turbulence which increases horsepower over other spiral designs. The dual flow path cancels noise and creates a vacuum effect accelerating the exhaust through the muffler. 5″ Round – 5″ In/Out – 18″ Length.


  • Low interior resonance
  • High quality at an affordable price
  • Expertly made from premium materials


  • To ensure precise fit, please check catalytic converter shape, length and inlet diameter: the latter should match your exhaust pipe diameter
  • Installation may involve welding and cutting


  • Style: High Flow “Twister”
  • Sound: Minimal volume reduction; very good at eliminating mid-range drone
  • Material: Aluminized Steel
  • Center Inlet: 5″
  • Center Outlet: 5″
  • Overall Length: 18″
  • Body Diameter: 5″
  • Body Length: 12″

Additional information

Weight 15 lbs
Dimensions 40 × 8 × 8 in