2019-2024
2010-2018
2003-2009
Installation Time
(approx) 30 Minutes
Difficulty Level:
Simple installation for anyone.
Installation Guides
No guide available for this part yet.
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Flowmaster Super 40 Series Center/Offset Oval Muffler; 3-Inch Inlet/3-Inch Outlet (Universal; Some Adaptation May Be Required)Find parts that fit my vehicle
Item SHR10454
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M-F 8:30A-11P, Sat-Sun 8:30A-9P
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8 Reviews
Our Price
$140.65 each
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Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features
- Oval Muffler Assembly
- Generate More Power
- Increased Gas Mileage
- Reduced Interior Noise
- Deeper Exterior Sound
- Inlet Location: Center (3 Inches)
- Outlet Location: Offset (3 Inches)
- Chambered Internal Construction
- High-Quality 409 Stainless Steel
- Matte Black Finish
- Easy No-Drill Installation
- Limited Lifetime Warranty
- Universal Fitment
Description
Maximum Sound and Performance. If you believe your vehicle can still do more in terms of performance and sound, then get yourself the Flowmaster Super 40 Series Center/Offset Oval Muffler (-Inch Inlet/3-Inch Outlet). This oval muffler assembly has an inlet diameter of 2.50 and is located at the offset, while the outlet diameter also measures 2.50 inches and is located at the center of the muffler. This muffler assembly has a chambered internal construction that can generate more power and increased gas mileage with reduced interior noise and deeper exterior sound.
Durability and Quality. This oval muffler assembly is made of 16-gauge 409 stainless steel in a matte black finish. This highly durable construction ensures long service life and efficient performance from this muffler.
Installation. Putting this Oval Muffler Assembly on your ride is easy and requires no drilling.
Warranty. There is a limited lifetime warranty for this product.
Application. This Flowmaster Super 40 Series Center/Offset Oval Muffler (3-Inch Inlet/3-Inch Outlet) fits universally and requires minimal adjustments.
Flowmaster 953046
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 Assembly
4.9
Customer Reviews (8)
Aug 30, 2024
Review shared from Flowmaster Super 40 Series Center/Offset Oval Muffler; 3-Inch Inlet/3-Inch Outlet (Universal; Some Adaptation May Be Required)
2018 XLT - DuaneGr
Installation Time: Shop Install
Flowmaster super 40
The muffler sounds great with chrome tip and a deleted resonator!
Fit & Finish 5/5
Loudness (Volume) 4/5
Exhaust Note 5/5
Bang For Your Buck 5/5
Apr 20, 2023
Review shared from Flowmaster Super 40 Series Center/Offset Oval Muffler; 3-Inch Inlet/3-Inch Outlet (Universal; Some Adaptation May Be Required)
2011 SLT - 13yukonslt
Installation Time: Less than 1 Hour
GREAT PRODUCT!
This muffler is a must if you want to add a little power and engine noise. It looks sleek in black from a great company Flowmaster the original muscle car sound.
Fit & Finish 5/5
Loudness (Volume) 5/5
Exhaust Note 5/5
Bang For Your Buck 5/5
Jun 15, 2022
Review shared from Flowmaster Super 40 Series Center/Offset Oval Muffler; 3-Inch Inlet/3-Inch Outlet (Universal; Some Adaptation May Be Required)
2011 ST - Michaels
Installation Time: Less than 1 Hour
Awesome Muffler
It sounds so awesome and so much horsepower and gas mileage
Fit & Finish 5/5
Loudness (Volume) 4/5
Exhaust Note 4/5
Bang For Your Buck 5/5
Feb 17, 2021
Review shared from Flowmaster Super 40 Series Center/Offset Oval Muffler; 3-Inch Inlet/3-Inch Outlet (Universal; Some Adaptation May Be Required)
2010 SLE - Blahhhhhh
Installation Time: Less than 1 Hour
Worth it
You're going to want this. Nice low rumble. Can hear it in the cab but not too loud. Step on the gas and sounds how a truck should sound. Love it
Fit & Finish 0/5
Loudness (Volume) 0/5
Exhaust Note 0/5
Bang For Your Buck 5/5
Aug 11, 2020
Review shared from Flowmaster Super 40 Series Center/Offset Oval Muffler; 2.50-Inch Inlet/2.50-Inch Outlet (Universal; Some Adaptation May Be Required)
2003 ST - KennethMayo
Installation Time: Afternoon
2003 Dodge Ram 1500
Was exactly what I was looking for in a muffler! Deep bass sound with a awesome rumble at idle. Made the Ram sound amazing.
Fit & Finish 5/5
Loudness (Volume) 5/5
Exhaust Note 4/5
Bang For Your Buck 5/5
Oct 26, 2019
Review shared from Flowmaster Super 40 Series Center/Offset Oval Muffler; 2.50-Inch Inlet/2.50-Inch Outlet (Universal; Some Adaptation May Be Required)
2017 XLT - Randy325
Installation Time: Less than 1 Hour
Flowmastwr muffler
Geart product. Not too loud, but enough to make heads turn when you gas it.
Fit 5/5
Bang For Your Buck 5/5
Jul 21, 2019
Review shared from Flowmaster Super 40 Series Center/Offset Oval Muffler; 2.50-Inch Inlet/2.50-Inch Outlet (Universal; Some Adaptation May Be Required)
2012 FX4 - cmg1170
Great sound
Sounds amazing on my truck nice throaty sound good price
Performance Gain 3/5
Fit 4/5
Bang For Your Buck 5/5
Jul 17, 2018
Review shared from Flowmaster Super 40 Series Center/Offset Oval Muffler; 2.50-Inch Inlet/2.50-Inch Outlet (Universal; Some Adaptation May Be Required)
2005 - Tank
Installation Time: Less than 1 Hour
Awesome Sound
The sound is throaty but low and nice until the rpms start raging!! great sound and quality love it
Reviews of Flowmaster Exhaust products have an average rating of 4.7 out of 5
Mar 22, 2025
Review shared from Flowmaster FlowFX Dual Exhaust System with Black Tips; Side Exit (17-22 6.2L F-250 Super Duty)
2022 -
Flowmaster
Pros: sounds good to me, no drone, I like the black exhaust tips. Cons: Quality of material is not good. Says stainless steel but it has surface rust all over the pipes. Right around a year old and I do not live in the "rust belt" Also mechanic that installed mention he had to really work to get things to line up correctly. Probably go with Borla next time
Mar 21, 2025
Review shared from Flowmaster Outlaw Dual Exhaust System; Side/Rear Exit (14-18 5.3L Sierra 1500)
2017 LT -
sounds great
install was pretty easy been on for about 2 years now I believe with no issues
Mar 20, 2025
Review shared from Flowmaster Outlaw Dual Exhaust System with Black Tips; Rear Exit (21-25 3.5L EcoBoost F-150 w/ Factory Dual Exhaust, Excluding Raptor)
2022 XLT -
Nice if you like it loud
There is drone but I don't mind and was expecting it , overall pretty good very easy to install.
Mar 16, 2025
Review shared from Flowmaster FlowFX Single Exhaust System with Black Tip; Side Exit (14-24 6.4L RAM 2500)
2016 Tradesman -
Overall pretty good
The exhaust was pretty easy to install pieces slide right together the hard part is actually removing the old exhaust it sound good not overly loud but has a good noise on startup and when you get on it
Mar 15, 2025
Review shared from Flowmaster Outlaw Dual Exhaust System; Side/Rear Exit (14-18 5.3L Silverado 1500)
2017 LT -
Great sound
The exhaust sounds fantastic but the clamps on the exhaust tips snapped when I tried to install them. I had access to a lift and was very easy to install
Mar 9, 2025
Review shared from Flowmaster Super 10 Series Center/Center Oval Muffler; 2.50-Inch Inlet/2.50-Inch Outlet (Universal; Some Adaptation May Be Required)
2011 XLT -
Good product
I put this on my 2011 f150 5.0 coyote. It’s a great sounding muffler. Not too loud when you leave everything else on and just replace the muffler
Mar 8, 2025
Review shared from Flowmaster Outlaw Dual Exhaust System; Side/Rear Exit (14-18 5.3L Silverado 1500)
2016 LT -
Well worth it! Awesome!!
I absolutely love this exhaust. Super easy install the only thing that took me extra time was having to buy a new clamp for the connection at the cat. Other than that this thing has exceeded my expectations! Sounds aggressive!
Mar 7, 2025
Review shared from Flowmaster American Thunder Dual Exhaust System with Polished Tips; Rear Exit (09-18 5.7L RAM 1500 w/ Factory Dual Exhaust)
2017 Big Horn -
AWESOME!
These pipes are perfect. Took them to the muffler shop and they had them installed in 30 minutes. They are not too loud inside the cab. But they are perfect outside the cab. Just loud enough and sound awesome.
Mar 6, 2025
Review shared from Flowmaster Outlaw Series Center/Center Race Muffler; 3-Inch Inlet/3-Inch Outlet (Universal; Some Adaptation May Be Required)
2006 LT -
Sounds Amazing
Truck sounds amazing . Installed on stock exhaust so had to modify some minor items on truck.
Mar 6, 2025
Review shared from Flowmaster Signature Series Single Exhaust System with Black Chrome Tip; Side Exit (15-20 5.0L F-150)
2018 Platinum -
Awesome Flowmaster Sound
I got this bada$$ exhaust on a 30% off sale, so couldn't pass it up. I absolutely love the throaty sound it produces from the coyote 5.0. It doesn't have the raspy glasspack sound, which I'm happy about. The Black Chrome tip looks very nice on my Black Platinum.
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