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🚗 Elevate your ride’s roar with Flow FX — performance that speaks volumes without shouting.
The Flowmaster Flow FX Chambered Muffler (2.50" Offset In / 2.50" Center Out) is a universal-fit, stainless steel exhaust upgrade designed to improve horsepower and torque by optimizing exhaust flow. Featuring a straight-through perforated core and high-temp sound-absorbing materials, it delivers a deep, mellow tone with minimal cabin drone. Built from durable 409S stainless steel and fully MIG-welded, it ensures long-lasting corrosion resistance and vibration durability. Its reversible flow paths offer versatile installation options, making it ideal for modern trucks, muscle cars, and daily drivers seeking a balanced performance sound.












| ASIN | B07C9T18G5 |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #16,083 in Automotive ( See Top 100 in Automotive ) #4 in Automotive Replacement Exhaust Mufflers |
| Brand | Flowmaster |
| Brand Name | Flowmaster |
| Compatible with Vehicle Type | Car |
| Configuration | Universal |
| Customer Reviews | 4.7 out of 5 stars 584 Reviews |
| Global Trade Identification Number | 00700042037506 |
| Included Components | Muffler |
| Item Dimensions | 21 x 10 x 4.5 inches |
| Item Type Name | Exhaust Muffler |
| Item Weight | 10.3 pounds |
| Item dimensions L x W x H | 21 x 10 x 4.5 inches |
| Manufacturer | Flowmaster |
| Manufacturer Part Number | 71226 |
| Manufacturer Warranty Description | 1 Year Limited |
| Material | Stainless Steel |
| Material Type | Stainless Steel |
| Model Number | 71226 |
| Number of Items | 1 |
| OEM Equivalent Part Number | 71226 |
| Part Interchange Info | 71226 |
| Shape | Oval |
| UPC | 700042037506 |
| Unit Count | 1 Count |
| Vehicle Service Type | Car |
A**W
High quality sound and doesn’t break the bank!
I used this for a custom high clearance exhaust I built for my GX470. It’s a universal fit muffler. It’s high quality steel. My tires are louder than the exhaust. It flows better than factory as my exhaust is much shorter now. There’s no annoying rasp or drone at highway speeds.
J**H
If you want quiet with a low rumble.
Good quality, but a lot quieter than I was hoping. 5.7L straight pipe to muffler. Had a deep sound but doesn't get any louder even at high RPMs. Cut it off and installed a 40 series.
C**L
Very nice muffler upgrade
Definitely can hear my jeep now! Easy to install.
D**N
Decent
These are very nice for the money. Actually to quiet, but they work.
D**R
Flowmaster sound
Little louder than i thought it would be. If you do a resonator delete, it would be very loud and probably have drone. Deep tone until you get on it
T**Y
FX Muffler
sound great
D**C
Awesome Muffler, Great Sound
Sound GREAT. I have zero complaints with these. put together well, flanges weld nicely. great product and will be buying them again on future projects.
O**H
Installed on a 2010 Subaru Impreza
Very good quality muffler. The inlet and outlet are both female 2.5, sorry if my terminology is off but you can slide your typical 2.5 right inside either end. It came wrapped in bubblewrap and there was only a very small ding that may have even been intentional. It sounds quiet in terms of other modified cars, but much much MUCH better than stock. It has the low pitched Subaru growl but won't turn necks which is what I was looking for. To my surprise it sounds more pronounced at idle and 2-3k rpm than 5-7k rpm. Also something I haven't seen anyone mention in reviews is its effect on performance, I've noticed a considerable amount of throttle response and acceleration. It's not like you're going to get 1 second off your 0-60 but it seriously improves the fun factor of my car . I was really surprised after-all its only $40. Highly recommended this muffler is such a steal for the money. No idea why its so cheap but I love it.
C**S
Buen articulo
Me gusto mucho como quedo en una Toyota tacoma el sonido no es tan fuerte justo lo que esperaba
T**.
2.5" Flow Fx
Excellent price, good looking product, sounds perfect. Always loved Flowmaster, had some original 40's but wanted something a bit quieter, these were exactly what I was looking for. Edit: So after running these mufflers for a little over four months, they definitely have gotten louder as I kinda thought they might. Which is a bit disappointing because I loved the sound straight out of the box but that's glass pack mufflers I suppose. Still a decent muffler for a hundred bucks.
A**.
De calidad
Se ve de muy buena calidad, estoy conforme
K**N
J’adore le sons sur ma voiture !
J’ai installer ceci sur un Crown Victoria 2009 avec Cata delete ! Pour remplacer mes muffleurs qui c’était défait de l’intérieur et WoW le sons était parfais ! Maudit beau sons sourds et agressif qui fait ressortir la belle sonorité du V8 ! Belle qualité et durable ! Je vais asseiller de retrouver un vidéo!
A**O
Es muy silencioso
La verdad tiene un sonido agradable si lo que buscas es que no sea escandaloso,a mi gusto y lo que esperaba era que el sonido fuera un poco mas agresivo,espero que con el uso el sonido mejore porque èste modelo es de fibra(no como los demas modelo que son de laberinto),cabe señalar que lo puse con tuberia de 21/2 y en una cherokee xj 2000
Trustpilot
1 month ago
2 days ago