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Flowmaster Exhaust Systems Part #817680 Customer Reviews
9 Customer Reviews
Reviewed by Evan T (EATON, OH) Reviewed for a 2010 Chevy Silverado — May 13, 2016 8:39 PM
Looks great puts out a deep sound but I expected it to be louder! Clamp screws for the exhaust tips are too small.. And the 45s to angle your tips are more like 90 degree instead of 45 degree! Wishing I would have purchased the louder muffler now that I have heard this one! But it looks great overall!
Reviewed by Randy L (EVANSVILLE, WI) Reviewed for a 2007 GMC Sierra — Sep 22, 2015 5:45 AM
I like Flowmaster exhaust so I bought the American Thunder Series and installed it, I like the idea that you have the option of running it straight out by the bumper or 45 degree angle like stock. It has a real nice deap muscle car tone to it which I really like along with the chrome tips that really look nice that set it off.
Reviewed by Brandon B (NEWVILLE, PA) Reviewed for a 2007 GMC Sierra — May 03, 2015 6:57 AM
Easy to install and sounds great. Can't complain about the fit for a system that fits multiple vehicles.just need to cut off one of the hangers that isn't used on my truck. A little expensive but it will be the last exhaust I will ever have to buy.
Reviewed by Kevin B (MACOMB, MI) Reviewed for a 2011 Chevy Silverado — Nov 06, 2014 9:55 PM
I bought this to improve the sound of my truck. I ended up getting the American Thunder series. The install was not bad at all took a little over an hour. It is not too loud has a deep rumble and there is almost no drone when driving on the highway. I highly recommend this to anyone looking to upgrade their exhaust
Reviewed by Richard M (Taylorsville, KY) Reviewed for a 2011 Chevy Silverado — Nov 04, 2014 5:30 AM
Very nice sound, deep tone, exactly what I was looking to get from my truck. Acceleration was made smoother with more power. MPG gains I haven't found yet but I feel it will happen. There is some drone more so when AFM kicks but it's not something that will drive you crazy. Quality and build of the piping is great and the fit is pretty good, some minor adjustments where needed. I had access to a lift which helped so that made installation much easier and took about 40 mins. Hope this helps.
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