Cobra Powrflo 4-1/2" Slip-On Mufflers Black 6214RB

The frequency and location of the perforation patterns in the cores creates significant sound scattering in the mid-frequencies, which helps to enhance the low frequency tones. 4-1/2 in. body tapers to 4 in. round at the front. 4-1/2 in. machined aluminum, thin-line tip. 3 in. 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. Manufacturer’s limited lifetime warranty Made in USA

Cobra Powrflo 4-1/2" Slip-On Mufflers Black 6214RB