FLOWMASTER
Flowmaster 817979 American Thunder Cat-Back Exhaust System
Flowmaster 817979 American Thunder Cat-Back Exhaust System
SKU:F13817979
Low stock
Couldn't load pickup availability
- Genuine brand-name parts
- Ships from US warehouse
- 30-day returns
Fits: 2021 Ford F-150
- Includes Both Rear and Side Exit Tailpipes so the Final Look can be Customized
- Super 40 Series Performance Muffler Delivers a Deep and Aggressive Performance Tone
- Uses the Factory Hanger Locations for an Easy Installation
- Clears the Factory Spare Tire
- Stainless Steel Construction adds Durability
- 3.50-Inch Polished Stainless Steel Tips add a Classic Performance Look
- Delta Flow Technology Increases Performance and Reduces Drone
- Mandrel-bent Tubing Maximizes Exhaust Flow
| Brand | FLOWMASTER |
|---|---|
| Manufacturer part number | 817979 |
| UPC / GTIN | 90127130179 |
| Weight | 67.00 lb |
| Dimensions (L × W × H) | 58.5 × 16.2 × 11.2 in |
| Category | Engine & Drivetrain |
| Condition | New — genuine brand-name part |
Shipping & delivery
Shipping & delivery
Orders ship from the distributor warehouse closest to you, normally within 1–3 business days of purchase. Standard ground delivery takes 3–7 business days in the continental US; expedited options are shown at checkout. Oversized items (bumpers, running boards, large tonneau covers, some marine equipment) ship LTL freight — we contact you to schedule delivery and a signature is required.
Returns & warranty
Returns & warranty
Unused, uninstalled parts in original packaging can be returned within 30 days of delivery. A restocking fee of up to 20% may apply depending on the product and supplier, and return shipping is the buyer’s responsibility unless the item arrived defective, damaged or incorrect. Every product carries the full manufacturer warranty. Contact us with your order number to start a return.
Fitment & part numbers
Fitment & part numbers
Verify fitment with the manufacturer part number shown above and your vehicle’s year, make, model and trim. If the listing says “Fits select…”, confirm your exact application before ordering. Not sure? Send us your VIN and the part number and we’ll check it for you.
