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Your cart is empty.Flowmaster's Super 10 Series 409S Stainless Steel - Single Chamber mufflers are intended for customers who desire the loudest and most aggressive sound they can find. Because these mufflers are so aggressive, they are recommended only for off highway use and not for street driven vehicles. These mufflers utilize the same patented Delta Flow technology that is found in Flowmaster's other Super Series mufflers to deliver maximum performance. Super 10 Series mufflers are constructed of 16-gauge 409S Stainless Steel and fully MIG-welded for maximum durability.
daniel
2025-09-04 18:28:15
Had a friend weld this on my ‘12 focus and the sound it produces is just the sound I was going for.
Prophetdjs
2025-08-11 17:31:21
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Tim M
2025-07-26 13:32:00
Installed on 2008 Ford Fusion V6 with k&n cold air intake, resonator and cat removed (header cats still in place) Put in place of the rear Y pipe, put in 2.5 inch pipes from the flowmaster to 3.5 inch tips out the back. Tone is surprising, certainly loud, deeper with more of the underwater rumble than you'd think the 3.0 can put out. Comparable sound to a v8 with a flowmaster 40 or so, not as loud as most muscle cars, but some. Performance is improved mostly with initial launch. I can't say if it added any actual power or improved any times because I have not tested either, but it certainly feels like it pulls you into your seat stronger. I'd recommend this to most people looking for a good sound that's got a respectable name without getting a raspy ricer fart can or buzz. I feel like youre buying a name with something like borla, when you can get the job done here without going as low as the 19.99 thrush clearance special.
Sam Robinson
2025-06-23 12:31:06
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Noah vosburgh
2025-06-12 11:26:31
First time buying flowmaster good product just a bit disappointed. I was told by many people it would be to load and it's very Melo. I had a cherry bomb on my 2004 dodge ram 3.7 and it was louder. But I do like the sound of this as well good growling. Good price good product
Alex
2025-05-05 16:26:54
Threw this onto an older 3.5 sxt mopar, it sounds great at idle, it almost has a choppy, cammed sound and really drowns out the "hair-dryer" sound coming from the engine bay that's VERY noticeable in stock form. I got rid of the resonator as well and this car is STILL quiet at idle and warm startups. But it does have a nice deep rumble to it, I get to avoid cops and have fun on my own. I'm not complaining.
Raymond Lee Mendoza
2025-03-06 20:08:06
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Daniel Lewellen
2025-03-02 12:53:56
Everyone typically goes for a 2.5" in and out when in reality, with this style muffler in particular, there is almost no restriction to help with back pressure. There are literally 2 small baffle plates welded in this muffler. What I found that ends up happening, is you get an undesired sound/tone from the exhaust. It sounds as if you've just cut your exhaust off at the CAT. Especially with a single in, dual out muffler like this, go a bit smaller on your out diameter and all the way out, you'll get a better sound.
Fraser
2025-02-03 15:57:44
Fit perfectly on my Chrysler 200c 3.6, sounds great with some crackles and pops. Added a LCGP 16" deep tone resonator shortly after and love it. Other modes as well which had an effect on the sound.
Rafael torres
2025-01-03 10:04:47
Excelente producto
Troy
2024-12-19 17:20:46
Put it on a 2017 nissan titan a the sound is great
Jason
2024-12-10 16:46:23
If you want to drown out your significant other while driving down the road, then this is the muffler for you! Or maybe your neighbor keeps leaving their garbage on your side of the fence and you want to make sure you wake them up at 5am when you start your truck, just to get back at them a little. Either way, this muffler will succeed at both of these tasks!
Brian M.
2024-12-07 14:55:08
It is a great price and my 2016 ram sport sounds mean. Its loud..and I mean loud. There is drone on the highway, but I just turn up the radio and it's gone. Very aggressive sound, but overall good muffler
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