flowmaster
Flowmaster 817664 Cat Back Exhaust System
- SKU:
- 19441910
- MPN:
- 817664
- Availability:
- Usually ships the same or next business day. In stock at our PA warehouse.
- Shipping:
- Calculated at Checkout
- Stock Update:
- 06/05/2026 10:55:06 PM PST
- Stock Update:
- 06/05/2026 10:55:06 PM PST
Description
This item is brand-new, factory sealed.
Flowmaster 817664 American Thunder 409S Dual Rear/Side Exit Cat-Back System with Aggressive Sound- Stainless Steel Construction
- Multiple Exit Styles Provided in Kit
- Aggressive Sound Performance Tone
- Lifetime Limited Warranty
- Manufacturer: Flowmaster
- Brand: Flowmaster
- Model: 817664
- Item Weight: 73 pounds
- Item model number: 817664
- Is Discontinued By Manufacturer: No
- Exterior: Painted
- Manufacturer Part Number: 817664
- OEM Part Number: 817664
Flowmaster's American Thunder cat-back exhaust system for the 2011-2014 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 or DOS (Dual Out Rear, Dual Out Side) bolt on 409S stainless steel system features dual 2.50 inch tailpipes and 3.50 inch polished stainless steel tips. This system is designed to fit regular cab or long bed, double cab or short bed and CrewMax models. The exhaust system is manufactured in the USA and is covered by Flowmaster's Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation.
Warranty Information
