• 734-516-7808
Free Shipping
Free Returns


American Thunder Cat Back Exhaust System 817664
American Thunder Cat Back Exhaust System 817664 American Thunder Cat Back Exhaust System 817664

American Thunder Cat Back Exhaust System 817664


Product Fitment

Select a Vehicle

American Thunder Cat Back Exhaust System

Item: 817664

American Thunder Cat Back Exhaust System Dual Dual Rear Same Side Exit 2.5 in. Tubing 40 Series Big Block Mufflers 3.5 in. Pol. Stainless Steel Tips

Retail Price: $982.00

Sale Price: $882.95

You Save: $99.05 (10%)

Requires Additional Processing Time


Product Description

Flowmaster's American Thunder cat-back exhaust system for the 2009-2018 Toyota Tundra pickup trucks with the 5.7L or 4.6L V8 engines is perfect for the person looking for an aggressive sound level with all of the performance benefits that you would expect from Flowmaster. This DOR/DOS (Dual Out Rear, Dual Out Side) bolt on 409S stainless steel system features dual 2.50 in. tailpipes and 3.50 in. polished stainless steel tips. This system is designed to fit regular cab/long bed, double cab/short bed and CrewMax models. The exhaust system is covered by Flowmaster's Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation.

Product Features
  • Mandrel Bent Stainless Steel Tubing
  • Multiple Exit Styles Provided In Kit
  • Aggressive Performance Tone
  • Lifetime Limited Warranty
Product Specifications
  • Exhaust Series: American Thunder
  • Exhaust Type: Dual
  • Exit Position: Dual Out Side
  • Exit Position: Dual Out Rear
  • Exit Style: Straight
  • Heat Shield Attached: No
  • Inlet Diameter: 2.500 in.
  • Inlet Inside Diameter: 2.500 in.
  • Material: Stainless Steel
  • Muffler Part Number: Kit Only
  • Muffler Series: 40 Series Big Block
  • Outlet Diameter: 2.500 in.
  • Outlet Outside Diameter: 3.500 in.
  • Single or Dual: Dual
  • Sound Level: Aggressive
  • System Type: Cat Back
  • Tail Pipe Diameter: 2.500 in.
  • Tip Diameter (in.): 3.5
  • Tip Length: 13.000 in.
  • Tip Quantity: 2
  • Tubing Diameter: 2.500 in.
  • Warning: May contain chemicals known in the state of California to cause cancer, or birth defects or other reproductive harm. For more information, please visit www.p65warnings.ca.gov
Application Guide