FLOWMASTER
Flowmaster 817664 American Thunder Cat-back Exhaust System
Flowmaster 817664 American Thunder Cat-back Exhaust System
SKU:F13817664
Low stock
Couldn't load pickup availability
- Genuine brand-name parts
- Ships from US warehouse
- 30-day returns
- Large 3.50-inch Polished 304 Stainless Steel Tips
- Side Exit Tailpipes Ideal for Towing Applications
- Mandrel-bent Stainless Steel Construction
- Super 40 Series Performance Muffler
- Deep Aggressive Performance Tone
- Uses the Factory Hanger Locations
- Multiple Exit Styles Provided in Kit
- Includes all Necessary Hardware
| Brand | FLOWMASTER |
|---|---|
| Manufacturer part number | 817664 |
| UPC / GTIN | 700042029952 |
| Weight | 73.00 lb |
| Dimensions (L × W × H) | 52.5 × 17.25 × 15 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.
