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Flowmaster Exhaust Systems Cat Back Exhaust - American Thunder Series - 817425

  • $136.95 - $2,266.95  List Price
  • $795.95
  • What Do You Drive?


  • Style:
    Dual Rear or Side Exit (409 Stainless)
  • Material:
    With Dual Exhaust Tips
  • Part #:
  • Main piping diameter: 2.5"
  • Super 50 Series Muffler
  • Includes dual 3" exhaust tips
  • Includes exit pipes for dual rear or dual side exit
  • Download installation instructions (PDF)

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Flowmaster Exhaust Systems Part #817425 Customer Reviews

Average Rating

2 Customer Reviews

flomaster for 2004 toyota tundra

Reviewed by Greg S (Woodbridge, VA) Reviewed for a 2004 Toyota Tundra — Feb 26, 2013 3:45 AM

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3 of 4 people found the following review helpful.

Per the installation tech, several of the pipes were not bent or shaped correctly. This caused an extra hour of work to reshapethem.

Thunder on the tundra

Reviewed by Robert R (Ransom, PA) — Aug 06, 2011 12:00 AM

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1 of 1 people found the following review helpful.

I like the sound and the in creased horse power. You can feel the defferent in power becase the first generation tundras like myin are too restricted stock. So it does equal M.P.G if you can keep ur self of the gas pedal.