- Product Details
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# FLM-817104 - Pontiac Firebird V8 1967-1974; Header-back, 2.50" Mandrel Bent Tubing, Super 80 Series Mufflers, American Thunder, DOR, 16 Gauge 409S Stainless Steel, Dual Rear Exit.
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-817104 UPC: 700042024773
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, Super 80 Series Mufflers (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."
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?Wakes the Car UpPosted on 03/08/12 Timothy H. - 2011 Dodge Charger (Cleveland, TX)Appearance 
Ease of Installation Price/Value Quality "Great product and sound, really wakes the car and neighbor hood up. Has some pretty bad drone in the car at 2,000 RPM and steady at 50 MPH but for us this is not a daily driver so I love it. I've had people stopping me in parking lots to find out what kind of exhaust I had because they loved the way it sounded. If it's your daily driver, I would go for the 50 series flows instead of the 40 series but if you want to turn heads go for this kit. Also at 60-70 MPH it really quiets out so a long trip isn't a problem unless speed limit is 50 the whole way."
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?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?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?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?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?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."
Was this review helpful?FlowmasterŽ - American Thunder KitPosted on 07/23/10 James H. - 2010 Chevy Camaro (San Antonio, TX)Appearance Ease of Installation Price/Value Quality "Took a few days for the order to arrive. I took them to a local muffler shop and they were installed in less than an hour. Needless to say that the Camaro now sounds like a true muscle car. I had a 69 and 71 Camaro before kids. After 25 years of Mini Vans and SUVs now I enjoy the new Camaro. Like not seeing the stainless steel under the rear end, the performance and look is great. Will see if the mileage will improve in the coming months: without the new kit I was getting 27 on the road. The car looks and feels like a muscle car! Enjoy the new toy! Thank you for your excellent service and products!"
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FlowmasterŽ - American Thunder Kit, Super 80 Series Mufflers (10 reviews)All Flowmaster Exhaust Systems reviews >>
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