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MBRP Universal 4" Quiet Tone Muffler
★★★★★
Vehicle Fitment For:
Universal - 4" Inlet/Outlet, 30" Overall
FROM 244.99
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Description
Give your truck a custom exhaust tone with the MBRP Universal 4" Quiet Tone Muffler. Featuring a dual core technology that provides optimal flow, in conjunction with superior sound suppression. Perfect for over the road towing applications, the Quiet Tone Muffler helps reduce in-cab noise and drone. The 4" inlet / 4" outlet universal design allows this muffler to be used in a wide variety of applications including replacing a competitor muffler in a 4" exhaust system.
Features:
- 4" Inlet / 4" Outlet, 30" Overall
- Provides Superior Sound Suppression
- Available in T304, T409, or Aluminized Steel
Instructions & Tech Info
Installation Info
Recommended Specialty Tool
Product Options
| PART NUMBER | MATERIAL |
|---|---|
| M1004 | T304 Stainless Steel |
| M1004S | T409 Stainless Steel |
| M1004A | Aluminized |
Reviews
Overall Rating
/5
19 Reviews
Verified Buyer
Droning
James (North Carolina) | February 24th, 2026
The droning pulling a camper at 60 drove me crazy for such long periods. I really like the tone now, much better.
Verified Buyer
great quiet tone.
JIMMY (TOO LIBERAL WA.) | April 12th, 2024
Ran straight exhaust for years and got tired of the drone when we started pulling a load. Installed this muffler with no sacrifice to performance.
Great muffler when pulling heavy. Get rid of the drone noise.
Swan (Michigan) | May 6th, 2021
I went from 3.5 in straight exhaust to 4 in Turbo back with MBRP performance muffler to now using the Quiet Tone. The MBRP performance muffler was just too loud while pulling my 35 ft travel trailer. I am very satisfied with the Quiet Tone as I can still enjoy the turbo whistle and not worry about making too much noise when needing to punch it. Great sound reducing muffler.
Good muffler at a great price!
Cruz (Springfield MO) | April 18th, 2021
Put it on a 15 Duramax and she purrs nicely and has zero cruising drone but nice sound when you get on it. Quiet and almost sleeper when cruising. Exactly what my middle aged father was looking for. Two thumbs up!
Perfect!!!
Jason S | March 25th, 2021
I have a 6.7 Powerstroke with the BD power scorpion kit. The 4” straight pipe too loud, this muffler knocked it down to the perfect tone. Love it.
Verified Buyer
Just what I was looking for - order 1120328
Matt (Tennessee) | April 28th, 2020
I bought a cummins with 4” straight pipe, and I didn’t like the sound it. It was very boomy at idle, and there was a sort of hiss, kind of like high velocity air down a pipe. Anyway, it took care of the hiss and the boom is more of a rumble now. Just perfect. I can even hear the turbo spool now.
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Frequently Asked Questions
Drone level Hi, I just installed a MBRP 4'' S5259AL, and the drone level on highway is unbearable. Will this muffler reduce drone level? Or should I get a resonator instead?
The MBRP UNIVERSAL 4" QUIET TONE MUFFLER/RESONATOR will be one of the best options currently available to cut drone/exhaust noise without reducing horsepower or increasing the exhaust gas temperature.
I see overall length is 30", is that tip to tip?
Yes, the MBRP Universal 4" Quiet Tone Mufflers have a 24" body, 30" overall length, and are 6" diameter.
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Specifications
ID
8179
Manufacturer Name
MBRP Inc.
Shipping Weight
18.00 lb.
Shipping Length
42 in.
Shipping Width
8 in.
Shipping Height
8 in.
Fuel Type
Diesel / Gas
Prop 65
WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
Internal
LR
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