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Flowmaster American Thunder Stainless Steel Cat-Back Exhaust - Split Side/Rear Exit (04-08 4.6L)

Market Price $767.99 You Save 13% ($101.02)
Starting At

$666.97 (kit)

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  • Item T102109A
  • MPN# 817417

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Features & Details

  • Moderate Flowmaster Super 40 Series Tone
  • Durable 409 Stainless Steel Construction
  • 3 in. Inlet, Dual 2.5 in. Outlet Mandrel-Bent Tubing
  • 3 in. Polished Stainless Steel Tips
  • Bolt-On Installation; Some Trimming May Be Required
  • Choice of Side or Rear Exit
  • Made in the USA
  • Fits All 2004-2008 4.6L F-150s
Enhanced Look & Performance. The Flowmaster American Thunder Stainless Cat-Back Exhaust lets you choose the look you want for your 2004-2008 4.6L F-150. The exhaust kit was built with the enthusiast in mind, by including extra piping allowing for the choice of side or straight exit exhaust from the rear bumper. Not only does this exhaust system upgrades the look of your of your Ford truck but is also enhances its performance by giving you increased power and better fuel mileage.

Quality Construction. Proudly Made in the USA, this Flowmaster American Thunder Cat-Back Exhaust is constructed from durable 3.0 in. inlet and dual 2.5 in. outlet 16 gauge 409 stainless steel tubing for it's strength and corrosion resistant properties. This Cat-Back Exhaust features a Super 40 Series Delta Flow American Thunder Muffler, that connects to a pair of 3 inch diameter polished stainless steel tips for great looks and sound. As an added bonus, the tips are embossed with the "Flowmaster" logo for true custom styling.

Bolt-On Installation. Flowmaster engineered this kit to be a direct upgrade replacement for your F-150 stock exhaust. All of the necessary hardware is included and installs easily with basic hand tools, with no extra modifications to your F-150. Depending on your cab and bed size, some minor cutting to the piping may be required.

Lifetime Warranty. Flowmaster is confident in the quality of their exhaust system by backing it with a Lifetime Limited Warranty. Some exclusions do apply, please see manufacturer's warranty for full details.

Application. This Flowmaster American Thunder Stainless Steel Cat-Back Exhaust is designed to fit on all 2004-2008 F-150s powered by the 4.6L V8 engine.

Fitment: 2004 2005 2006 2007 2008 Details

What's in the Box
  • (1) Inlet Pipe
  • (1) Extension Pipe
  • (1) Muffler
  • (1) Right Tailpipe
  • (1) Front Left Tailpipe
  • (1) Rear Left Tailpipe
  • (2) Side Exit Pipes
  • (2) Rear Exit Pipes
  • (2) Stainless Tips
  • (1) Ring Clamp Hanger
  • (1) Rear Frame Hanger
  • (1) Rubber Hanger
  • (6) 2-1/2" Clamps
  • (2) 3" Clamps
  • (1) 5/16" x 1-1/4" Bolt
  • (2) 5/16" Flat Washers
  • (1) 5/16" Lock Washer
  • (1) 5/16" Nut
  • (2) 7/16" Hanger Keepers
Installation Info
Will it fit my F-150?

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Customer Reviews (1) Write a Review

Overall Rating 5.0

out of 5 stars

Installation Time:Afternoon

  • Loudness / Volume 5 5
  • Exhaust Note 5 5
  • Fit & Finish 5 5
  • Bang For Your Buck 5 5

  • 5/5

    Installation Time: Afternoon

    January 05, 2017

    Sounds like thunder!

    Talk about the sound. The sound is amazing and really awakes the neighbors. he looks is good too.


    Year: 2008

    Helpful (1)

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