- Product Details
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# FLM-817530 - Hummer H2 6.0L V8 2003-2006, Cat-Back, 2.50" Outlet, 50 HD Series Muffler, Tuned Resonator, American Thunder, SOS, Mandrel Bent Tubing, 3.00" Brushed 304S Tips, 16 Gauge 409S Stainless Steel.
Fitment notes: Does not fit Air Suspension with Dual Compressors.
With Flowmaster Exhaust System you will optimize your vehicles exhaust system to get the best performance, blocking out the unnecessary noise at the same time. Each unit of the exhaust system is built with high-grade stainless steel to serve you a lifetime of performance. The stainless steel pipes come with lifetime warranty, while the muffler is backed up by 5-yr warranty.
Brand: Flowmaster Part Number: FLM-817530 UPC: 700042025732
Flowmaster Exhaust Systems are US-made, each unit is precisely dyno-tuned and shaped to fit selected model and production year vehicle and deliver great increase in torque and h horsepower. Even the polished muffler tip is built with premium stainless steel. Each exhaust system has an easy bolt-on installation and requires no modifications to the vehicle for the installation.
FlowmasterŽ - American Thunder Kit - 409S Stainless Steel (10 latest reviews)
Every Customer can leave a review about our service and the product that was purchased. In order to leave your review for the purchased product, please follow the link in the email message that you will receive after completing the purchase. You can rate appearance, ease of installation, price/value and product quality.
Customers' rating: 
Appearance 
Ease of Installation Price/Value Quality 
All Flowmaster Exhaust Systems reviews >>2011 6.4 Challenger American Thunder KitPosted on 04/09/12
Dan M. - 2011 Dodge Challenger (Kalkaska, MI)
Appearance Ease of Installation Price/Value Quality "I purchased the American thunder exhaust kit for my 2011 Inaugural Challenger 6.4 HEMI. I took the car to local exhaust shop dropped it off at 8 am. They called me shortly saying it was done and sounded great total installation $105.00 and fit perfectly. I went to pick up car and the staff followed me out to hear it again. I used my remote start and from the first fire knew this was the sound I wanted. It has a very deep aggressive sound. Getting on it going down the road turns every head and sounds like a race car. Very happy with the exhaust! I don't really like the exhaust tips but will be painting the inside black. Just is new and can see the welds."
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Quality!Posted on 03/10/12 William I. - 1997 Honda Prelude (Greensboro, NC)Appearance 
Ease of Installation Price/Value Quality "This is a great product. I didn't know it was just a rear axle back exhaust system. Regardless, great high quality product."
Was this review helpful?Great servicePosted on 01/20/11 Vern M. - 1986 Chevy Camaro (Chicago, IL)Appearance Ease of Installation Price/Value Quality "The service was great, ordering was eazy and due to christmas it took a couple of extra days, but service was good. Thanks"
Was this review helpful?2010 mustangPosted on 09/22/11 Michael G. - 2010 Ford Mustang (Milford, ME)Appearance Ease of Installation Price/Value Quality "bought this for my wifes mustang after about a week of looking at different brands online and i`m glad i choose Flowmaster. it went on very easy and it fit perfectly. the sound is awesome, it has that rumble around town and is quiet at interstate speeds."
Was this review helpful?FlowmasterŽ - American Thunder KitPosted on 08/20/10 Kevin D. - 2004 Nissan Titan (Irvington, NJ)
Appearance Ease of Installation Price/Value Quality "If you want a good exhaust sound, that not to loud this is it. Sounds very mellow, while inside vehicle & while idling, once you press the gas its a different animal, almost no annoying drone noise inside vehicle, as far as extra power I've noticed a slight increase in my midrange, overall this is best bang for your buck."
Was this review helpful?Flowmaster American Thunder KitPosted on 02/14/12 DWAYNE M. - 2000 Chevy Silverado (DUBLIN, NH)Appearance Ease of Installation Price/Value Quality "Nice system, easy to install. Not too loud."
Was this review helpful?FlowmasterŽ - Force II Kit with Super 50 Series Mufflers - 2.7L/3.5LPosted on 06/27/11 Buffy C. - 2008 Dodge Charger (Oromocto, NB)Appearance Ease of Installation Price/Value Quality "Installing was easy, looks great and gave it more power."
Was this review helpful?American Thunder KitPosted on 11/25/10 Mohammed A. - 2007 Chevy Tahoe (Fintas, Ahmadi)Appearance Ease of Installation Price/Value Quality "It's a great exhaust, I think now my car consumes less fuel and also it's not that loud and noisy."
Was this review helpful?FlowmasterŽ - American Thunder Kit, 3.6L V6Posted on 06/28/11 Trevor S. - 2010 Chevy Camaro (Smithfield, VA)Appearance Ease of Installation Price/Value Quality "I could not envision a better exhaust system to give the desired sound I wanted, especially out of a 3.6 L V6 motor. I own a 1996 Chevy Impala SS that has Flowmasters on it as well and though it cannot compare to the rumbles of the 5.7 L V8, the Camaro definitely does not sound like a punk anymore."
Was this review helpful?AwsomePosted on 02/24/12 Robin M. - 2009 Dodge Ram (Athol, NY)Appearance Ease of Installation Price/Value Quality "Easy install Flowmaster tips set it off. Love how they give the option side exit or strait out the back. I went with side sounds. Sweet."
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FlowmasterŽ - American Thunder Kit - 409S Stainless Steel (10 reviews)All Flowmaster Exhaust Systems reviews >>
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