- Product Details
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# FLM-17139 - Pontiac Firebird 1969; V-8, All 2.50" Mandrel Bent Tubing From Trans X-Member Back, Incl. H-Pipe, Hardware, Super 44 Series Mufflers, Stainless Tips, American Thunder, (Does Not Fit Convertibles W/O X-Brace Modification, Call Tech Support For More Info) DOR, 16 Gauge Aluminized Steel.
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-17139
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, With Super 44 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 
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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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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?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?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?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?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?FlowmasterPosted on 03/01/12 Buffy C. - 2005 Chevy Silverado (Oromocto, NB)Appearance Ease of Installation Price/Value Quality "Very easy to install, sounds good. Very helpful when ordering and only takes 2 weeks or less to receive rate at your door."
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."
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FlowmasterŽ - American Thunder Kit, With Super 44 Series Mufflers (10 reviews)All Flowmaster Exhaust Systems reviews >>
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