Flowmaster American Thunder Catback Exhaust (11-12 GT)

Flowmaster American Thunder Catback Exhaust (11-12 GT)
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TRANSCRIPT

Hey I’m Justin with AmericanMuscle.com, and I have with me FlowMaster’s American Thunder series Cat-back exhaust fitting all 2011 and newer Mustang GTs. The thunder you get from using this system comes from Flowmaster’s 60 series delta flow mufflers, which will still give you that classic muscle car sound, but will still be a bit milder than Flowmaster’s Outlaw series, or their Force 2 exhaust, which utilizes a more aggressive 40 series muffler. The American Thunder is a true cat back exhaust, meaning it eliminates your factory H-pipe utilizing 3” mandrel bent tubing all the way up to your factory cats. One thing we noticed with our mid pipe is it features a mini crossover, just to equalize your exhaust flow. Everything exits out these 60 series delta mufflers, and out these dual 4” hand polished tips. Getting the American Thunder bolted onto your ride is a straight forward affair which should take you no more than 2 hours using standard hand tools. Now let’s hear how Flowmaster’s American Thunder sounds compared to our factory exhaust.
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About Flowmaster

Flowmaster Mustang Exhaust Kits
Flowmaster, Inc. is a specialty performance aftermarket exhaust parts manufacturer. It was founded in 1983 by Ray Flugger. Originally created to minimize California Sprint Car engine noise without sacrificing performance, Flowmaster has grown to be one of the top performance manufacturers of performance exhaust systems, mufflers, racing mufflers, stainless steel mufflers, and exhaust accessories. Designed and developed for street & strip cars, muscle cars, trucks, diesel trucks, SUV's, motorhomes, ATVs and most everyday vehicles. The company is based out of Santa Rosa, California, Sacramento, California and Hayden, Idaho. Flowmaster performance exhaust products are 100% American Made for the World of Performance.
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OUR PRICE$784.85
Market Price $853.10You Save 8% ($68.25)
Item # 18428
(4.2/5)5 Reviews
Ships the same business day
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Product Features

  • Aggressive Flowmaster 60-series Delta Flow sound
  • Durable 409 stainless steel construction
  • 3" mandrel bent tubing
  • 4" polished stainless steel tips
  • Includes two Flowmaster 60 series mufflers
  • Fits 2011-2012 GT
Signature Flowmaster Sound. Give your Coyote Mustang that unmistakeable Flowmaster sound with the American Thunder Catback Exhaust system from AmericanMuscle. The Flowmaster American Thunder Catback Exhaust with its mandrel bent tubing will greatly improve your Mustangs exhaust flow for an increase in power, and the included 60 Series Delta Flow Mufflers will improve your exhausts sound for a deep aggressive muscle car exhaust note.

Quality Construction. Constructed from durable 3" 16 gauge 409 stainless steel tubing for it's corrosion resistant properties the Flowmaster American Thunder Catback features two 60 Series Delta Flow American Thunder mufflers with massive 4.0" diameter polished stainless steel tips for impressive muscle car looks and sound. As an added bonus the tips are embossed with the "Flowmaster" logo for true custom styling.

Application. This Flowmaster American Thunder Catback exhaust system is designed to fit the 2011 to 2012 5.0L Coyote Powered GT Mustang for both great looks and great sound. Does not fit Shelby GT500 models.
Axleback Exhaust Specifications
Piping Material: 409 Stainless Steel Tip Material : Polished Stainless Steel
Piping Size: 3.0" Tip Size: 4.0"
Muffler Type: Chambered Fitment: 2011-2012 GT

Installation Time:

(approx) 2 Hours

Difficulty Level:

Advanced mechanical skills required.

What's in the box?

  • (2) Muffler assemblies/li>
  • (2) Over axle pipes
  • (4) Clamps

What's in the box?

  • (2) Muffler assemblies/li>
  • (2) Over axle pipes
  • (4) Clamps
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Fitment:
  • GT 11, 12
  • Boss 12

Customer Reviews