717890
This Flowmaster® FlowFX® cat-back exhaust system for the 2019-2023 GM Silverado/Sierra 1500 trucks with the 6.2L engine and factory dual exhaust, is manufactured using durable 409 stainless steel throughout and features 3.5-inch to dual 2.50-inch mandrel bent pipes for better exhaust gas flow, and a FlowFX "straight-through" muffler is used for a moderate sound level and maximum performance. Maximum increases on the dyno revealed +26 hp and +39 lb.ft at the rear wheels. This system fits all wheelbases and connects to the factory exhaust tips that exit in the rear bumper for a stealthy look. The system uses all the existing factory hanger locations and includes installation instructions and all necessary hardware for an easy installation that you can do at home. Backed by Flowmaster's Lifetime Limited Warranty.
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
- FlowFX “straight through” performance muffler delivers a deep, moderate performance tone and improves exhaust flow
- Backed by Flowmaster’s Lifetime Limited Warranty
About Flowmaster

Flowmaster® is a household name, and for good reason. They've built legendary exhaust systems and mufflers for decades, and now offer performance air intakes, catalytic converters, and headers to give your hot rod performance to match the iconic Flowmaster sound.
SPECS
Brand | Flowmaster |
---|---|
Emission Code | 5 |
Exhaust Series | FlowFX |
Exit Position | Dual Out Side |
Mount Type | Uses Factory Hangers |
Muffler Body Length (in) | 18 |
Muffler Color | Natural |
Muffler Finish | Brushed |
Muffler Inlet Diameter (in) | 3.50 |
Muffler Inlet Location | Centered |
Muffler Material | 409S Stainless Steel |
Muffler Outlet Diameter (in) | 2.50 |
Muffler Overall Length (in) | 24 |
Muffler Part Number | Kit Only |
Muffler Quantity | 1 |
Muffler Series | FlowFX |
Muffler Shape | Oval |
Muffler Type | Absorption |
Product Type | Exhaust System |
Single Dual | Dual |
Sound Level | Moderate |
System Type | Cat-back |
Tip Style | Not Included |
Tubing Diameter (in) | 2.50/3.50 |
Tubing Material | 409S Stainless Steel |
UPC | 090127107867 |
California Proposition 65 Chemical Name | Chromium (hexavalent compounds) |
Nickel (Metallic) | |
California Proposition 65 Required | Yes |
Part Number | 717890 |
Product title
Vendor
$19.99 CAD | $24.99 CAD
Product title
Vendor
$19.99 CAD | $24.99 CAD
Product title
Vendor
$19.99 CAD | $24.99 CAD
Product title
Vendor