2019-2025
2009-2018
2002-2008
Installation Time
(approx) 2 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
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Flowmaster Super 40 Series Offset/Offset Oval Muffler; 3.50-Inch Inlet/3.50-Inch Outlet (Universal; Some Adaptation May Be Required)Find parts that fit my vehicle
Item R103184
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$167.36
39 Reviews
Our Price
$185.95 each
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Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features & Specs
- Improve Horsepower, Fuel Economy, Torque
- 4-Inch Internals for Maximum Flow
- Deep, Aggressive Sound
- Made in the U.S.A.
- Constructed Using 409S Stainless Steel
- Patented Delta Flow Technology
- Limited Lifetime Warranty
- Medium Installation
- Universal Fitment; Modifications Will Be Required
| Brand | Flowmaster |
| Muffler Inlet Size | 3.50 Inch |
Description
By Flowmaster. The Flowmaster Super 40 Series Offset/Offset Oval Muffler - 3.5 in. injects the 1994-2025 RAM 1500 with improved horsepower, fuel economy, and torque; featuring 4.0-inch internals for maximum flow. Enjoy a deep, aggressive sound upon acceleration and inside the cabin. It is proudly made in the U.S.A.
Durable and Patented. This oval muffler is constructed using 409S stainless steel, relying on its proprietary Delta Flow technology and two-chambered design for noticeable performance gains and reduced interior resonance.
Warranty. This oval muffler is protected by a limited lifetime warranty, which protects purchasers from any defects in material and workmanship. For more information regarding warranty terms, please visit the manufacturer’s website.
Modifications Required. This Muffler was designed to be used on mutliple applications, as it is not a direct fit replacement part. In order to install this Muffler properly on your vehicle, some modifications to the exhaust system will be required.
Application. The Flowmaster Super 40 Series Offset/Offset Oval Muffler - 3.5 in. fits the 1994-2025 Dodge RAM 1500.
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Flowmaster 853548
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (1) Muffler
4.9
Customer Reviews (39)
Sep 2, 2024
Review shared from Flowmaster Super 40 Series Offset/Offset Oval Muffler; 3-Inch Inlet/3-Inch Outlet (Universal; Some Adaptation May Be Required)
2021 Big Horn - Kayla05
Installation Time: Less than 1 Hour
Good sounding muffler
I really enjoy the way the flow master super 40 sounds. Was exactly what I was looking for. Not to loud but still has a classic sound to it.
Fit & Finish 0/5
Loudness (Volume) 0/5
Exhaust Note 0/5
Bang For Your Buck 0/5
Aug 8, 2023
Review shared from Flowmaster Super 40 Series Offset/Dual Out Oval Muffler; 3-Inch Inlet/2.50-Inch Outlet (Universal; Some Adaptation May Be Required)
2017 Express - EricB01
Flowmaster
Love the new sound of my truck since the install. Sounds like a completely different truck.
Fit & Finish 4/5
Loudness (Volume) 3/5
Exhaust Note 4/5
Bang For Your Buck 5/5
Nov 26, 2022
Review shared from Flowmaster Super 40 Series Offset/Offset Oval Muffler; 3-Inch Inlet/3-Inch Outlet (Universal; Some Adaptation May Be Required)
2004 ST - GarretRTR
Installation Time: Less than 1 Hour
Very Good
The muffler added a great amount of bass sound to my truck and it is much louder! Worth the money
Fit & Finish 5/5
Loudness (Volume) 3/5
Exhaust Note 5/5
Bang For Your Buck 5/5
Oct 11, 2022
Review shared from Flowmaster Super 40 Series Offset/Dual Out Oval Muffler; 3-Inch Inlet/2.50-Inch Outlet (Universal; Some Adaptation May Be Required)
2014 Big Horn - KiloMike99
Installation Time: Less than 1 Hour
Perfect
Stock catalytic converters, stock resonators, only swapped mufflers and it’s perfect. Not too loud, not quiet, opens up the exhaust.
Fit & Finish 5/5
Loudness (Volume) 5/5
Exhaust Note 5/5
Bang For Your Buck 5/5
Mar 16, 2022
Review shared from Flowmaster Super 40 Series Offset/Dual Out Oval Muffler; 3-Inch Inlet/2.50-Inch Outlet (Universal; Some Adaptation May Be Required)
2017 SLT - Funkdid
Installation Time: Shop Install
MAKES MY RAM SOUND AWESOME!
I love this muffler. Welded up great and sounds amazing!
Fit & Finish 5/5
Loudness (Volume) 5/5
Exhaust Note 5/5
Bang For Your Buck 0/5
Oct 11, 2021
Review shared from Flowmaster Super 40 Series Offset/Center Oval Muffler; 3-Inch Inlet/3-Inch Outlet (Universal; Some Adaptation May Be Required)
2020 Rebel - JCM0731
Perfect Mean Sound
Not too obnoxious, but definitely showcases the growl and deep rumble of the 5.7 Hemi in my 2020 Rebel.
Fit & Finish 0/5
Loudness (Volume) 0/5
Exhaust Note 0/5
Bang For Your Buck 0/5
Jul 31, 2021
Review shared from Flowmaster Super 40 Series Offset/Dual Out Oval Muffler; 3-Inch Inlet/2.50-Inch Outlet (Universal; Some Adaptation May Be Required)
2018 Rebel - mechanicmike
Installation Time: Afternoon
Sounds great!
Gives you the rumble your looking for. Just not so great when under a load and in ECO mode. Put it all on with a few parts from the auto store.
Fit & Finish 5/5
Loudness (Volume) 3/5
Exhaust Note 5/5
Bang For Your Buck 5/5
May 18, 2021
Review shared from Flowmaster Super 40 Series Offset/Dual Out Oval Muffler; 3-Inch Inlet/2.50-Inch Outlet (Universal; Some Adaptation May Be Required)
2019 Big Horn - Sdhoff
Installation Cost: 0-$100
Installation Time: Shop Install
flowmster muffler
sounds great, not too loud but has a nice rumble to it. Downside is the effort to put it on. For my vehicle it was required to buy some 3" pipe and lots of welding.
Fit & Finish 2/5
Loudness (Volume) 5/5
Exhaust Note 4/5
Bang For Your Buck 4/5
Feb 22, 2021
Review shared from Flowmaster Super 40 Series Offset/Dual Out Oval Muffler; 3-Inch Inlet/2.50-Inch Outlet (Universal; Some Adaptation May Be Required)
2018 Tradesman - Cortez
Installation Cost: 0-$100
Installation Time: Shop Install
GREAT SOUND!!!
This Muffler is amazing! I HIT the gas just so can hear it!! The sound is perfect not too loud but you can tell a big difference from the factory muffler
Fit & Finish 5/5
Loudness (Volume) 4/5
Exhaust Note 5/5
Bang For Your Buck 5/5
Nov 20, 2020
Review shared from Flowmaster Super 40 Series Offset/Dual Out Oval Muffler; 3-Inch Inlet/2.50-Inch Outlet (Universal; Some Adaptation May Be Required)
2012 - Steelman
Installation Time: Afternoon
Muffler
Wish it came with clamps but got it installed and sounds great
Fit & Finish 3/5
Loudness (Volume) 3/5
Exhaust Note 3/5
Bang For Your Buck 4/5
Questions & Answers
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