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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.
Dan L.
Reviewed in the United States on March 18, 2025
Sounds great I don’t feel it is too load I feel like it is the perfect rumble.
dave singleton
Reviewed in the United States on January 22, 2025
Classic flowmaster sound. Upgraded from 40 series
Customer
Reviewed in the United States on November 11, 2024
Good
Cody
Reviewed in Canada on January 17, 2024
Music to my ears! Foxbody 5.0 flowmasters are a must!
danny
Reviewed in Canada on May 25, 2023
This saved alot of weight from the original. The sound of my 07 Silverado is awesome.
Santiago
Reviewed in the United States on August 23, 2022
I bought it on a deal because i guess it was returned but it was still new. The factory pipe was a 2.75 and the flowmaster was a 3in but i took it to a muffler shop and they worked with it and now this 4.8 v8 sounds really good. Definitely recommend.
Stephen Navarra
Reviewed in the United States on July 4, 2022
Installed this on my 5.3 Silverado RST. Sounds amazing on a cold start and no drone inside the cabin. It’s not as loud as I thought it was going to be, but for under $100 I think it’s worth it.
Arturo
Reviewed in Mexico on April 1, 2021
Muy buen sonido
Brandon Kromko
Reviewed in the United States on September 29, 2020
Description claims muffler is Made in USA. I received my muffler and stamped on the box is Made in China. I did some research and indeed Flow Master sold out their mufflers and are now manufactured in China. So I only gave it a 4 star rating for poor description.
MAC
Reviewed in the United States on August 6, 2020
Installed on a 96 C1500 w/ 4.3 liter Vortex. Good deep sound when you're cruising and idling. Aggressive when you step on it. Couldn't be happier with my purchase.Side note, if this is replacing the stock muffler on a C1500, you'll need 10 inches of pipe to make up for the length difference between the stock and the Super 10. Also the stock pipe is 2.75 in, but you can swell to fit 3 in.
Logan
Reviewed in Canada on March 10, 2020
Slapped this bad boy on my 2008 4.8L Chevy and it’s exactly what I wanted. Loud, deep and aggressive. Definitely worth the money. It said it wouldn’t fit but if your handy, you can make anything fit!
Uchiha Scott
Reviewed in the United States on October 22, 2020
Put this on my single exhaust ram 1500 hemi 5.7, and this definitely woke up my hemi. Sounds like a trucks suppose to sound. I had the resonator be taken off to get the full effect. Really loud in the am with that cold start, only a matter of time until the neighbors complain and I’ll have to put a resonator back on. Inside the cab is a little louder then I’d thought it be, and shipping was a little late but all in all I like it. I recommend. 5/5. Would buy again for another V8.
Glen
Reviewed in Canada on October 10, 2020
Installer said it'll last 2 years. Can't expect too much from such a cheap option. I have this installed on my 2020 silverado. I was a little worried it might be too loud, but I think it's perfect. Nice and deep. Doesn't sound great when the truck goes into DFM is all. I'm getting used to that.
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