Flowmaster American Thunder Cat Back Exhaust System - 817471


  • Flowmaster Exhaust | Part Number: FLW817471
  • Exit Location/Type:Dual Side
  • Material:Stainless Steel
  • System Type:Cat-Back
  • Tip Included:Tip is included
  • Tubing Size:2.5 Inches
  • Fitment:Direct Fit


American thunder is the original Flowmaster sound, in most cases a very aggressive sound level. American thunder systems use various chambered mufflers to achieve the performance gains and aggressive sound that you want from your car or truck, inside and out. Available in stainless steel or economical aluminized steel, American thunder systems are a great choice when you want to be heard.

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Question & Answers

1 Answered question

Q: I have a 94 ford f150 short wheel base and looking for a dual exhaust. I want one that will go in front of back wheels will this one do that? Answer this question

A: Hello Gerk, Thank you for asking The Flowmaster Exhaust American Thunder Cat Back Exhaust System will exit past the rear wheels. I checked Magnaflow exhaust, and they do not offer one either.

Answered by Robert on 08/31/2014


For over 30 years, Flowmaster has been producing exhaust products to combat noise issues that first cropped up on race tracks in California. The question was how to reduce sound without compromising performance? Advanced engineering and ample testing set Flowmaster's product line apart from competitors and a few of their more noteworthy parts include chambered mufflers, laminar flow designs and high flow catalytic converters. We carry Jeep exhaust pipes, exhaust flanges and complete exhaust systems among other Flowmaster products. The company's patented technologies, innovative designs and focus on performance keep Flowmaster at the forefront of aftermarket exhaust manufacturers. Shop Flowmaster Exhaust Now

This Product Fits the Following:

  • 1996 Ford F-150 Eddie Bauer  
  • 1996 Ford F-150 Special  
  • 1996 Ford F-150 XL  
  • 1996 Ford F-150 XLT  
  • 1995 Ford F-150 Eddie Bauer  
  • 1995 Ford F-150 Special  
  • 1995 Ford F-150 XL  
  • 1995 Ford F-150 XLT  
  • 1994 Ford F-150 XL  
  • 1994 Ford F-150 XLT  
  • 1993 Ford F-150 XL  
  • 1993 Ford F-150 XLT  
  • 1992 Ford F-150 Custom  
  • 1992 Ford F-150 XL  
  • 1992 Ford F-150 XLT Lariat  
  • 1991 Ford F-150 Custom  
  • 1991 Ford F-150 XL  
  • 1991 Ford F-150 XLT Lariat  
  • 1990 Ford F-150 Custom  
  • 1990 Ford F-150 XL  
  • 1990 Ford F-150 XLT Lariat  
  • 1989 Ford F-150 Custom  
  • 1989 Ford F-150 XL  
  • 1989 Ford F-150 XLT Lariat  
  • 1988 Ford F-150 Custom  
  • 1988 Ford F-150 XL  
  • 1988 Ford F-150 XLT Lariat  
  • 1987 Ford F-150 Custom  
  • 1987 Ford F-150 XL  
  • 1987 Ford F-150 XLT Lariat