Ships Between 9/25 - 9/27
- What Do You Drive?
- Style:Dual Rear Exit (409 Stainless)
- Material:With Dual Exhaust Tips
- Part #:817460
- Main piping diameter: 2.5"
- Super 44 Series Muffler
- Includes dual 4" exhaust tips
- Download installation instructions (PDF)
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Flowmaster Exhaust Systems Part #817460 Customer Reviews
9 Customer Reviews
Reviewed by Robert S (Coventry, RI) Reviewed for a 2008 Ford Mustang — May 17, 2017 1:28 PM
Mufflers came through the mail on time fit and appearance is awesome just have to then the hangers to get them in the bumper cover right other than that overall experience I would definitely order from AutoAnything again
Reviewed by Christopher S (CHERRY HILL, NJ) Reviewed for a 2008 Ford Mustang — Jul 12, 2016 9:38 AM
My new Flowmaster American Thunder Series exhaust kit was recently installed by my mechanic and replaced the existing stock exhaust system on my 2008 Ford Mustang. My mechanic had no issues with the installation. The new axle back exhaust kit looks and sounds great. I also have noticed increased acceleration response.
Reviewed by Charles J (WINSTON SALEM, NC) Reviewed for a 2008 Ford Mustang — Jul 22, 2014 12:38 PM
The American Thunder Classic Axle Back Kit produces good sound quality. I have these on a convertible. They do drone some and it seems to be worse with an automatic transmission. I am pleased with the kit. I have these on a Mustang Coupe as well and the drone is not as bad and it is a 5-speed. If I had to do it over I would probably buy the cat-back kit. But, I would stick with Flowmaster because it sounds American.
Reviewed by Jason H (Loveland, OH) Reviewed for a 2010 Ford Mustang — Jul 24, 2010 6:19 AM
This system has a lot of exhaust drone on a 2010 Mustang GT convertible with the automatic transmission. Sounds good when you get on it, but otherwise is a bit loud. Probably would be better with a manual transmission, as you are able to avoid the lockup torque converter. It is a good value for the money, however.
Reviewed by Lori V (Bellbrook, OH) Reviewed for a 2006 Ford Mustang — Jun 11, 2010 1:42 PM
The Drivers side exhaust is a little crooked, it is pointed slightly to he passengers side. You really can't tell a diffrence until you're right up on it. Any suggestions would help. THE SOUND IS AMAZING though. I just have that one minor problem. And the vehicle I have is a show car.
Reviewed by Archer C (Accokeek, MD) Reviewed for a 2007 Ford Shelby — Apr 21, 2010 9:13 AM
Reviewed by Dustin C (Plainfield, IL) Reviewed for a 2010 Ford Mustang — Mar 04, 2010 1:06 PM
I just installed the American Thunder Flowmaster on my 2010 Mustang GT and it sounds great. I did a lot of research and determined from other reviews that Flowmaster was the way to go with V8's and "muscle cars." I am very satisfied with this product and would recommend it to others.