2021-2025
Installation Time
(approx) 2 Hours
Difficulty Level:
Simple installation for anyone.
Installation Guides
No guide available for this part yet.
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Flowmaster Super 10 Series Center/Center Oval Muffler; 2.50-Inch Inlet/2.50-Inch Outlet (Universal; Some Adaptation May Be Required)Find parts that fit my vehicle
Item FB31187
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$104.95 each
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Product Information
Features, Description, Q&A, Specs & Installation
Features & Specs
- Super 10 Series Center/Center Oval Muffler
- Boast a Race-Proven Delta Flow Technology
- Delivers a Superior 10 Aggressive Sound Level
- With 2.50-Inch Inlet/2.50-Inch Outlet Design
- Constructed with a Chambered Internal
- Manufactured from 409 Stainless Steel
- Designed with a Compact Build
- Comes in a Durable Black Finish
- Tailored for Universal Applications
| Brand | Flowmaster |
| Muffler Inlet Size | 2.50 Inch |
Description
Heard and Felt. With its superior 10-aggressive sound level, this muffler ensures that your vehicle's presence is heard and felt. It features a 2.50-inch inlet and outlet design, allowing for seamless integration into various exhaust setups.
Compact. Crafted from durable 409 stainless steel with a chambered internal design, this muffler is built to withstand the rigors of the road while providing optimum exhaust flow. Its compact build ensures easy installation and compatibility with a wide range of vehicles.
Installation. Putting this Super 10 Series Center/Center Oval Muffler on your ride is easy and requires no drilling.
Warranty. There is a limited lifetime warranty on this product.
Application. This Flowmaster Super 10 Series Center/Center Oval Muffler fits universal applications.
Flowmaster 842515
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) Inlet and Outlet Clamps
- Instruction Manual
4.5
Reviews of Flowmaster Exhaust Products (500+)
Reviews of Flowmaster Exhaust products have an average rating of 4.5 out of 5
Mar 19, 2025
Review shared from Flowmaster American Thunder Axle-Back Exhaust System with Polished Tip (21-25 Bronco, Excluding Raptor)
2022 Big Bend -
Nice muffler
Install was easy took less than an hour. Everything bolted right up. The locking clips are not very good. I drilled a small hole through the mounting bracket and installed a cotter pin and washer. I would recommend drilling the small holes before installing the brackets. Sounds awesome not very loud at all.
Mar 14, 2025
Review shared from Flowmaster Outlaw Axle-Back Exhaust System with Polished Tips (21-25 Bronco, Excluding Raptor)
2023 Wildtrak -
Nice sound
Easy Install, took less than 30 minutes in the driveway. Oddly has a Growl at idle, as close to best sound out of a V6 I think. Doesn’t even have much “drone” at 85mph on the freeway.
Feb 17, 2025
Review shared from Flowmaster FlowFX Axle-Back Exhaust System with Black Tips (21-25 Bronco, Excluding Raptor)
2023 Wildtrak - CoopDog
Excellent Exhaust Shipped & Received in 2 Days!
Fairly easy to install. Little louder than I thought it would be, but it sounds really nice. Was super impressed by the shipping and receiving from ET. Couldn't believe how quickly it arrived.
Feb 17, 2025
Review shared from Flowmaster Outlaw Axle-Back Exhaust System with Polished Tips (21-25 Bronco, Excluding Raptor)
2023 Base - sealk9dfresh
Awesome
I love my Flowmaster Outlaw. It is a nice rumble which got louder after having it in for a couple months.
Feb 3, 2025
Review shared from Flowmaster FlowFX Axle-Back Exhaust System with Black Tips (21-25 Bronco, Excluding Raptor)
2022 Base - KTurner
Exhaust
Ordered my exhaust and it shipped immediately can’t wait to get it
Jan 4, 2025
Review shared from Flowmaster Outlaw Axle-Back Exhaust System with Polished Tips (21-25 Bronco, Excluding Raptor)
2023 Wildtrak - FredM21
Amazing for price. Easy install!
First let me say the sound clip does not do this exhaust justice. It is LOUD! While it sounds amazing, I almost wish I would’ve gone with the quieter version simply because of my neighbors. But this exhaust is bad***! It was a fairly simple install if you follow the video. Did not have to jack up the car and used basic tools I already had. I would recommend getting one of those telescoping magnet tools ($3) in order to get the bolts on the driver side to bolt the hanger (in video he uses fingers but it is MUCH easier with tool especially if you have the hitch as there is less space). Very happy with purchase!
Dec 30, 2024
Review shared from Flowmaster Outlaw Axle-Back Exhaust System with Polished Tips (21-25 Bronco, Excluding Raptor)
2024 Black Diamond -
Amazing exhaust
This was the first real modification I put on my Bronco and I love it. The sound is amazing and so much better then the stock exhaust. For someone who is not very good at modding cars, this was a easy install and worth the money. I recommend having lubricant or else it is really difficult to remove certain parts
Dec 23, 2024
Review shared from Flowmaster Outlaw Axle-Back Exhaust System with Polished Tips (21-25 Bronco, Excluding Raptor)
2023 Badlands - 23badLands
Good fit
Install was almost as easy as the video but didn’t include any vehicles with a trailer hitch factory installed. The bolts on the driver side hanger are very hard to install with the hitch assembly on the back frame rail. Fishing the bolts back through frame are a pain in the ass.One hole was partially blocked by the hitch assembly. 2 hour install because of the driver side hanger bolts.
Dec 21, 2024
Review shared from Flowmaster Outlaw High Clearance Cat-Back Exhaust System with Polished Tip (21-25 Bronco, Excluding Raptor)
2021 Badlands - AwfulProduct
Flowmaster Cat Back
Gives the Bronco a nice sound! Looks great and pretty simple to install.
Nov 30, 2024
Review shared from Flowmaster FlowFX Axle-Back Exhaust System with Black Tips (21-25 Bronco, Excluding Raptor)
2024 Base - CrazyDrone
Too much Drone
Easy install, sounds great outside, inside is another story. 40 minute ride home after install and the drone was too much to handle. Uninstalled it the next morning. Bought a resonator which I haven't installed yet but not sure how much money I want to throw at it to try and fix the droning.
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