2021-2025
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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Magnaflow 6-Inch Round Offset/Offset Straight-Through Performance Muffler; 2.50-Inch Inlet/2.50-Inch Outlet (Universal; Some Adaptation May Be Required)Find parts that fit my vehicle
Item FB2977
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$116.00 each
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Product Information
Features, Description, Q&A, Specs & Installation
Features
- Increased Air Circulation
- Moderate to Deep Growl
- Internal Packing
- Perforated Internal Cores
- Satin Polished 409 Stainless Steel
- Straight-Through, Offset Design
- Welded and Lap Jointed
- Six-Inch Body/ 2.5-Inch Inlet and Outlet
- Multiple Styles from Magnaflow Available
- Lifetime Warranty
- Fitment: Universal Fit; Some Adaptation May Be Required
Description
Increased Air Flow. Enjoy better horsepower and torque out of your Mustang, thanks to the Mustang Performance Offset/Offset Straight Satin Muffler. This muffler features an off-set design that allows for greater surface area to channel airflow and an internal perforated core to help reduce backpressure.
Durable Construction. This muffler can stand up to anything with the strength of 409 stainless steel at its side. Not only will this muffler not cave from kicking rocks or bottoming out, but it won't rust, thanks to a special satin-brushed polish. This polish helps this muffler achieve its rich shine and guards against scuffs and rusting.
Deep Magnaflow Sound. Magnaflow employs perforated stainless-steel cores filled with internal packing to help this muffler channel its signature growl while eliminating any incessant droning.
Extra-Strength Contact Points. Never worry about leaks or seals coming loose during high-pressure applications, thanks to lap-jointed and hand-welded contact points that provide tight bonds and secure installation.
Multiple Styles Available. Magnaflow manufactures its set of mufflers in multiple styles and sizes, including straight-through and offset mufflers in oval or square housings and multiple different tubing diameters.
Lifetime Warranty. Magnaflow covers this product against manufacturer defects for the duration of its service life to the vehicle it was originally installed with.
Application. The Mustang Performance Offset/Offset Straight Satin Muffler is a universal fit, though some adaptation may be required.
Magnaflow 12636
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
4.6
Reviews of Magnaflow Exhaust Products (500+)
Reviews of Magnaflow Exhaust products have an average rating of 4.6 out of 5
Feb 19, 2025
Review shared from Magnaflow Crawler Series Cat-Back Exhaust System (21-25 Bronco, Excluding Raptor)
2024 Wildtrak - WildSasquatch
Easy Install
I was able to install this in my garage in under an hour. The mounting points are easily accessible and all alignments of the bolt holes matched the factory cat. Sounds more aggressive without being overly noisy or heavy drone.
May 22, 2024
Review shared from Magnaflow Overland Series Cat-Back Exhaust System (21-25 2.7L EcoBoost Bronco)
2023 Outer Banks - CarbonizedGray
Magnaflow Overland Series Cat-Back Exhaust System (21-24 2.7L EcoBoost Bronco)
Great Sound, fitment is spot on, easy to install! So awesome that it can be easily changed to your liking of sound loudness. I run it at the quietest setting and i can really hear it when getting on the gas :)! Perfect set up!!
Aug 13, 2023
Review shared from Magnaflow Street Series Axle-Back Exhaust System with Black Tips (21-25 2.7L EcoBoost Bronco)
2023 Base - JOEBRONCO
The right sound
Easy on the gas, its just mellow. Punch it and it growls. Never too much, but enough.
Mar 16, 2025
Review shared from Magnaflow Direct-Fit Catted Y-Pipe; HM Grade (04-06 4.0L Jeep Wrangler TJ)
2004 Wrangler Unlimited -
Perfect fit
Purchase with confidence. Perfect fit. Couples hours to install. Quality construction
Feb 28, 2025
Review shared from Magnaflow Street Series Cat-Back Exhaust System with Black Tips (12-18 Jeep Wrangler JK)
2014 Wrangler - Mikeshumaker
Great Sound
The Horse Power gains are real with a great sound !! Worth the price!
Feb 25, 2025
Review shared from Magnaflow Direct-Fit Catted Y-Pipe; HM Grade (04-06 4.0L Jeep Wrangler TJ)
2005 Rubicon Unlimited -
Excelllent fit
This cat fit like it should with no extra adjustments. I replaced my factory original broken cat so this put the system back to normal operation and turned the check engine light off!
Feb 17, 2025
Review shared from Magnaflow Street Series Axle-Back Exhaust System with Black Tips (07-18 Jeep Wrangler JK)
2013 Wrangler - Justin
great looking and sounding
I really like the sound that this muffler makes, not too loud but still aggressive. Added bonus is the attached tips, that always seemed to go missing if they weren't welded in place.
Feb 5, 2025
Review shared from Magnaflow Street Series Cat-Back Exhaust System with Polished Tips (14-23 3.2L Jeep Cherokee KL)
2019 Limited - AndyWb
Perfect tone and performance!
A big step up from stock. Sounds fantastic and doesn’t bother the neighbors. If you have the 3.2L engine, you need this exhaust.
Nov 22, 2024
Review shared from Magnaflow Direct-Fit Replacement Muffler (22-25 Tundra)
2023 Limited - Masa
Muffler sound
I like the sound. It was an easy install for me to do myself and it doesn't look bad.
Nov 15, 2024
Review shared from Magnaflow Direct-Fit Replacement Muffler (22-25 Tundra)
2023 - SRod
Magnify exhaust for my 2023 Toyota tundra SR5 crew Max four-wheel-drive
The muffler got here pretty quick after I ordered it. Install went pretty smooth. Took me about an hour. I did have to replace the rear bolts that they suggest you use due to the fact that they’re welded to the original muffler, but other than that, everything went on pretty smooth sounds great. I did pick up some extra horsepower as well as fuel mileage.
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