Flowmaster American Thunder Axle-Back Exhaust (05-10 GT, GT500)

Flowmaster American Thunder Axle-Back Exhaust (05-10 GT, GT500)
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TRANSCRIPT

I’m Justin with AmericanMuscle.com, and this is our detailed breakdown of Flowmaster’s American thunder series Axle-back for the 2005-2010 Mustang GT. This kit from Flowmaster centers around those patented classic 60 series delta mufflers that are responsible for that iconic Flowmaster muscle car sound and rumble. Flowmaster is one of the only companies that chooses to use 16-gauge aluminized steel for their exhaust versus stainless steel. Now that coated steel is going to be great for resisting corrosion, and that sleek black finish is going to look really sharp underneath the rear bumper. Now the entire kit is finished off with these dual 4” tips and embossed with that iconic Flowmaster logo. Getting the American Thunder bolted up to your ride is a very straightforward task that should take you no more than an hour using some basic hand tools. Now let’s see 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$389.99(each)
Market Price $443.17You Save 12% ($53.18)
Item # 18403
Ships the same business day
Add 2005+ Mustang 304 Stainless Steel Exhaust Hanger Kit
PRICE WITH OPTIONS $389.99
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Product Features

  • Aggressive Flowmaster 60-series Delta Flow sound.
  • Polished stainless steel 4" tips.
  • Durable Aluminized Steel Construction.
  • Includes two Flowmaster mufflers
  • Fits 05-10 GT and 07-10 Shelby GT500 Mustangs.

Flowmaster Sound. The Flowmaster American Thunder axle back exhaust system, with it's patented 60 Series Delta Flow chambered mufflers will improve your Mustangs exhaust flow for an increase in power and a throatier exhaust note.

Quality Construction. Constructed from durable 2.5" 16 gauge aluminized steel tubing for it's corrosion resistant properties the Flowmaster axle back features specialty 5" X 10" chambered 60 Series Delta Flow American Thunder mufflers with massive 4.0" diameter polished stainless steel tips for muscle car looks and sound. As an added bonus the tips are embossed with the "Flowmaster" logo for true custom styling.

Fitment. This Flowmaster American Thunder Axle-Back exhaust system is designed to fit the 2005-2010 GT and the 2007-2010 Shelby GT500 Mustangs for both great looks and great sound.

Americanmuscle recommends adding the 2005+ Mustang 304 Stainless Steel Exhaust Hanger Kit from the drop down option above, to provide more strength, stability and a cleaner installed appearance. If you have a 2007 Mustang you may need the kit for correct installation. Click here for details.

Axleback Exhaust Specifications
Piping Material: Aluminized Steel Tip Material : Polished Stainless Steel
Piping Size: 2.5" Tip Size: 4.0"
Muffler Type: Chambered Fitment: 05-10 GT and 07-10 Shelby GT500 Mustangs

Installation Time:

(approx) 1 Hour

Difficulty Level:

Advanced mechanical skills required.

What's in the box?

  • (1) Right muffler assembly
  • (1) Left muffler assembly
  • (2) Clamps
  • (1) Nut
  • (1) Lock Washer

What's in the box?

  • (1) Right muffler assembly
  • (1) Left muffler assembly
  • (2) Clamps
  • (1) Nut
  • (1) Lock Washer
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Fitment:
  • GT 05, 06, 07, 08, 09, 10
  • GT500 07, 08, 09, 10
  • Bullitt 08, 09

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