Flowmaster American Thunder Classic Axle-Back Exhaust (11-12 GT, 11-12 GT500)

Flowmaster American Thunder Classic Axle-Back Exhaust (11-12 GT, 11-12 GT500)
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OUR PRICE$434.99
Flowmaster Mustang Exhaust Kits
Item # 18413
Market Price $483.32You Save 10% ($48.33)
Ships the same business day

Product Features

  • Aggressive Flowmaster Classic 40 Series Sound
  • Polished stainless steel 4" tips
  • Durable 409 Stainless Steel Construction
  • Includes two Flowmaster mufflers
  • Fits 2011-2012 GT and 2011-2012 Shelby GT500 Mustangs
Classic Flowmaster Sound. Give your 2011-2012 Mustang GT or GT500 that unmistakeable Flowmaster sound with a nice power boost with the American Thunder Axle-Back exhaust system. This system improves exhaust flow using Flowmaster's patented chambered muffler design for that throaty, aggressive exhaust tone your high powered Pony deserves.

Quality Construction. Constructed from durable 3" 409 stainless steel tubing for its resistance to corrosion, the Flowmaster axle back features two special 5" X 10" chambered Classic 40 Series Flowmaster mufflers with 4" diameter polished stainless steel tips for muscle car looks and sound. As an added bonus the tip is embossed with the "Flowmaster" logo for true custom styling.

Application. This Flowmaster American Thunder Axle-Back exhaust system is designed to fit the 2011-2012 5.0 Mustang GT and 2011-2012 5.4L Shelby Mustang GT500 for both great looks and great sound.

Axleback Exhaust Specifications
Piping Material: 409 Stainless Steel Tip Material : Polished Stainless Steel
Piping Size: 3" Tip Size: 4"
Muffler Type: Chambered Fitment: 2011-2012 Mustang GT & 2011-2012 GT500

Installation Time:

(approx) 1 Hour

Difficulty Level:

Simple installation for anyone.

What's in the box?

Hardware included:
  • (2) Mufflers
  • (2) 3/8" Hanger Keepers

What's in the box?

Hardware included:
  • (2) Mufflers
  • (2) 3/8" Hanger Keepers
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Fitment:
  • GT 11, 12
  • GT500 11, 12
  • Boss 12

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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