Cobra 4in. Race-Pro Slip-On Mufflers

These novel 4-inch muffler bodies feature advanced acoustical tuning technologies for a deep rumbling sounds. The 4-inch round muffler front expands just aft of the steel clam shell clamp to 4.5-inches diameter.

Features:

• Bodies taper to 4" round at the front
• 4.5" machined aluminum thin line black tips are held in place with seven stainless steel, 12-point bolts
• Features satin black laser-cut steel straps that tightly encircle the mufflers with built-in mounting straps
• 3" cores for superior performance
• 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
• Acoustical engineering developments allow an incredibly deep sound because of intense, class-leading resonance absorption and prevention
• Use proprietary materials with specific acoustical dampening and thermal insulation properties
• Available in chrome or satin black finish
• Sold in pairs
• Made in the U.S.A.