Flowmaster
Flowmaster 717890 FlowFX Cat-Back Exhaust Kit 3.5 Inch Dual 2.5 Inch Tailpipes 409 Stainless Steel Compatible with 2019-2023 Chevy Silverado GMC Sierra 1500 6.2L 2/4WD and all Wheelbases
Flowmaster 717890 FlowFX Cat-Back Exhaust Kit 3.5 Inch Dual 2.5 Inch Tailpipes 409 Stainless Steel Compatible with 2019-2023 Chevy Silverado GMC Sierra 1500 6.2L 2/4WD and all Wheelbases
SKU:F13717890
Low stock
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- Genuine brand-name parts
- Ships from US warehouse
- 30-day returns
The Flowmaster 717890 is a flowfx cat-back exhaust kit 3.5 inch dual 2.5 for 2019–2023 Chevrolet Silverado 1500, 2019–2023 GMC Sierra 1500. It is a new, genuine Flowmaster part with the manufacturer warranty, shipped from the closest US warehouse.
Fits: 2019–2023 Chevrolet Silverado 1500 · 2019–2023 GMC Sierra 1500
Key features
- Max Increases of up to 26 hp and 39 lb.ft. over the stock exhaust at the rear wheels
- 3.5-inch and 2.5-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability
- Connects to the factory dual exhaust tips for a stealthy look
- Includes complete hardware and factory styled hangers in the stock locations for an easy installation
- Flow FX “straight through” performance muffler delivers a deep, moderate performance tone and improves exhaust flow
- Backed by Flowmaster’s Lifetime Limited Warranty
Specifications
| Brand | Flowmaster |
|---|---|
| Manufacturer part number | 717890 |
| Part type | Muffler |
| UPC / GTIN | 90127107867 |
| Vehicle fitment | 2019–2023 Chevrolet Silverado 1500 · 2019–2023 GMC Sierra 1500 |
| Weight | 68.00 lb |
| Dimensions (L × W × H) | 55 × 25.1 × 12 in |
| Category | Engine & Drivetrain |
| Condition | New — genuine brand-name part |
| Warranty | Manufacturer warranty |
Questions
Will this fit my vehicle?
It is listed for 2019–2023 Chevrolet Silverado 1500, 2019–2023 GMC Sierra 1500. Trim, engine and options can change the part a vehicle needs — send us your VIN and we will confirm before you order.
How fast does it ship?
Orders ship from the closest US warehouse, normally within 1–3 business days, with tracking by e-mail.
Is this a genuine Flowmaster part?
Yes — new and genuine Flowmaster, with the manufacturer warranty.
Can I return it?
Yes. Unused items can be returned within 30 days — see our refund policy for the details.
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.
