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Flowmaster17397 American Thunder Exhaust System - 2.5 in. Main Piping Diameter, Dual, Dual Rear/Side Exit, Natural, Aluminized steel

Part #: F1317397 | Mfr #: 17397

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Ships out in 1-2 Business Days
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3 3 out of 5 stars
(1 customer reviews)


List Price: $692.34

Save: $185.02



  • Series: Flowmaster American Thunder
  • Material: Aluminized steel
  • Color/Finish: Natural
  • Quantity Sold: Assembly
  • Muffler Sound Level: Moderate
  • Recommended Use: Performance
  • Advertised Power Gains: Typically 5-7% increase over stock
  • Anticipated Ship Out Time: 1-2 Business Days
  • Attachment Style: Clamp-On or Weld-On (Recommended)
  • Exit Location: Dual Rear/Side Exit
  • Exit Quantity: Dual
  • Includes: Mounting hardware
  • Main Piping Diameter: 2.5 in.
  • Muffler Configuration: 2.75 In. Inlet, 2.5 In. Outlet
  • Muffler Finish: Natural
  • Muffler Material: Aluminized steel
  • Muffler Quantity: One
  • Muffler Type: Chambered
  • Notes: Includes 50 Series HD Muffler
  • System Type: Cat-back
  • Tip Cut: Straight
  • Tip Diameter: 3 in.
  • Tip Edge Style: Rolled
  • Tip Finish: Polished
  • Tip Length: 12 in.
  • Tip Material: Stainless Steel
  • Tip Quantity: Two
  • Tip Shape: Round
  • Warranty: Flowmaster 3-Year Limited Warranty

Product reviews

by , March 10, 2014

Ease of Use/Installation:
Overall Rating:

I m glad I had it installed at a shop. I apparently did not get what I had ordered. It was missing a 3 length of pipe that fortunately the shop had on hand. Once the exhaust system was installed it sounds and performs great. I would recommend calling instead of ordering on line to make sure you get the right system for your vehicle.