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Hot Sale Flowmaster 817477 Cat-back System 409s - Dual Rear Exit - American Thunder - Aggressive Sound Check It Out [zo8NDhEB]

$81.99 $262.99 -69%

For the person who is looking for a complete Cat-back dual exhaust system with an aggressive tone. With easy fit in mind, these systems are mandrel bent for maximum performance and include specially selected mufflers. American Thunder systems deliver

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Hot Sale Flowmaster 817477 Cat-back System 409s - Dual Rear Exit - American Thunder - Aggressive Sound Check It Out [zo8NDhEB]

For the person who is looking for a complete Cat-back dual exhaust system with an aggressive tone. With easy fit in mind, these systems are mandrel bent for maximum performance and include specially selected mufflers. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation.
  • Mandrel Bent Tubing
  • Includes Hangers And Hardware For Easy Installation
  • Dyno Tuned for Maximum Performance
  • Premium Flowmaster Quality
  • 3 Year Limited Warranty
  • Made in the USA

Additional Attributes:

  • GTIN: 00700042023660
  • Exhaust Series: American Thunder
  • Exhaust Type: Single
  • Exit Position: Dual Rear
  • Exit Style: Straight
  • Heat Shield Attached: No
  • Inlet Diameter: 3.000 in.
  • Inlet Inside Diameter: N/A
  • Material: Stainless Steel
  • Muffler Count: 1
  • Muffler Part Number: Kit Only
  • Muffler Series: 50 Series HD
  • Outlet Diameter: 2.500 in.
  • Outlet Outside Diameter: 2.500 in.
  • Single or Dual: Dual
  • Sound Level: Aggressive
  • System Type: Cat Back
  • Tail Pipe Diameter: 2.500 in.
  • Tip Diameter: 4.000 in.
  • Tip Quantity: 2
  • Tubing Diameter: 3.000 in.
  • WARNING CA Proposition 65: Yes
  • WARNING CA Proposition 65 Message: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Packaging:

  • Quantity of Each: 1
  • Package UOM: EA
  • Dimension: 58.5000 x 11.2500 x 16.2500 inches

PDF:

What Our Customers Say

January 18, 2026

Absolutely no complaints!

A great item that is very useful.

- Goreu J..

January 18, 2026

Absolutely no complaints!

An excellent product that I can endorse.

- Nanette M..

January 18, 2026

Absolutely no complaints!

So glad I opted for this model.

- Silvan Y..

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