- Product Details
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# FLM-817455 - GMC Sierra 2500 / 3500 HD 6.0L V8 2007-2010, Crew Cab, Short Bed, Cat-Back, 50 Series Big Block Muffler, Mandrel Bent 3.50", 16 Gauge Tubing, 4.00" Polished 304S W/Embossed Logo Tip, SOS, Force II, 409S Stainless Steel.
Fitment notes: Does not fit Classic models.
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-817455 UPC: 700042025954
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 - Force II Kit - Crew Cab / Short Bed, 6.0L (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 >>Flowmaster American Thunder Kit PurchasePosted on 05/05/12
Todd V. - 2009 Dodge Ram (San Antonio, TX)
Appearance Ease of Installation Price/Value Quality "I have a 2010 Dodge Ram Quad Cab 8 cyl. 4.7L Engine Truck and with the help of CARiD.com, I have transformed this truck into a top of the line Muscle Truck. I purchased this Flowmaster American Thunder Kit and teamed it up with AirAid 301-232 Cold Air Dam Intake System, also purchased from CARiD.com and my truck sounds identical to a Ford Shelby and/or the Cobra. There is a tiny bit of gas mpg increase but the torque and horsepower increased by a lot; very noticeable and the two products combined, make an awesome sound. I recommend the purchase; I'm very pleased."
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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."
Was this review helpful?Sounds GreatPosted on 10/27/11 Shawn R. - 2010 Chevy Camaro (Ottawa, IL)Appearance 
Ease of Installation Price/Value Quality "Placed this one my 2010 Carmaro SS and couldn't be happier. It have the exact tone I was looking for, something that would have an aggressive sound yet not ear splitting. You can hear the pipes in the car and yet still have a conversation or listen to the radio. CAR ID also had great costomer service, polite and very help full. I recomend this site and most of all this exhaust system. "
Was this review helpful?Fast Shipment of the ProductPosted on 02/21/12
Dan K. - 2011 Chevy Silverado (Winsted, CT)Appearance Ease of Installation Price/Value Quality "2011 2500hd product fits good with a little adjusting the exhaust goes right on the factory hangers. Nice deep tone but doesn't drone in the cab during cruising."
Was this review helpful?FlowmasterŽ - Force II KitPosted on 01/23/11 Henry G. - 2010 Dodge Charger (Windsor, ON)Appearance Ease of Installation Price/Value Quality "After searching the web CarID had about the best prices that I could find for the exhaust system that I needed for my 2010 Dodge Charger. I installed the system myself and if you have some experience on cars it shouldn't be too hard for you to do as well. The sound that the exhaust produces is just enough to give you that nice little rubble, and it's not too overly loud inside the car. The only thing that I didn't like about the purchase was that Canada Customs charged me an additional $152.00 USD to clear Customs. That is to be expected cause Customs always wants their share too. I will be back shopping at CarID again soon for a set of rims as they also have a hugh sellection to choose from."
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?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?ExcellentPosted on 03/31/12 Loretta P. - 2007 Chevy Tahoe (Forrest, MB)Appearance Ease of Installation Price/Value Quality "Product arrived on time and was exactly what I wanted. Very pleased."
Was this review helpful?Flowmaster American Thunder Kit - 6.4LPosted on 10/26/11 Drew S. - 2011 Dodge Challenger (Billings, MT)Appearance Ease of Installation Price/Value Quality "The Flowmaster American Thunder kit for the 6.4 liter Hemi sounds amazing. The kit was very easy to install no cutting needed. "
Was this review helpful?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."
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FlowmasterŽ - Force II Kit - Crew Cab / Short Bed, 6.0L (10 reviews)All Flowmaster Exhaust Systems reviews >>
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