MBRP 4" Quiet Tone Muffler Resonator - Construction: Aluminized - Universal - 4" Inlet/Outlet, 30" Overall - M1004A

MBRP's Quiet Tone muffler resonator features a high flow spiral louvered core, fits most exhaust systems and is a direct replacement for all MBRP performance mufflers. With over triple the sound cancelling packing it eliminates drone under load or towing conditions and delivers up to a 10% dB noise reduction compared to a regular performance muffler.

4" Quiet Tone Muffler Features:

• Dual core technology provides optimal flow in conjunction with superior sound suppression
• Perfect for over the road towing applications as cab noise is greatly reduced
• 4" inlet/outlet configuration that can replace any MBRP or competitor muffler in a 4" system
• Over a full year of on road testing, this muffler works
  Manufacturer Part #: M1004A