MBRP 4″ Quiet Tone Muffler Resonator – Construction: T409 Stainless Steel – Universal

Product Name: MBRP 4″ Quiet Tone Muffler Resonator
Manufacturer: MBRP
Manufacturer Part #: M1004S
Thoroughbred Diesel Part #: MBRM1004S
Fitment Notes: Universal – 4″ Inlet/Outlet, 30″ Overall
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