Cobra® Black Powerflo Round 4 1/2" Slip-On Mufflers, 632339

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  • $577.00
  • Regular price $776.99
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With a 4.5" slim-line tip at end, the PowrFlo muffler smoothly tapers to a 4" front. Easy installation, incredible sound and top of its class performance the PowerFlo is tough to beat. 


  • 4.5" body tapers to 4-inch round at the front
  • 4.5" machined aluminum, thin-line tip
  • 3" high-flow core for superior performance
  • Acoustical engineering developments allow an incredibly deep sound because of intense, class-leading resonance absorption and prevention 
  • Uses proprietary materials with specific acoustical dampening and thermal insulation properties
  • The frequency and location of the perforation patterns in the cores create significant sound scattering in the mid frequencies, which helps to enhance the low frequency tones
  • Made in the USA
  • Manufacturer's Limited Lifetime Warranty