FLOWMASTER
FLOWMASTER FLOWFX CAT-BACK EXHAUST SYSTEM
Fits 2011-2019 GM 2500HD/3500HD 6.0-Liter, Cat-Back, Dual Side Exit, FlowFX Stainless Steel Exhaust System
Part # 717987
This Flowmaster® FlowFX® cat-back exhaust system for the 2011-2019 GM 2500HD/3500HD trucks with the 6.0-liter engine is manufactured using durable 409 stainless steel throughout and features 3.50 to 3.00-inch mandrel bent pipes for better exhaust gas flow. This system exits with dual 4.00-inch black stainless steel tips for added style and a custom look. Max gains of 10 hp and 10 lb-ft of torque at the rear wheels over stock. 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. Fits extended cab or crew cab models with the 6.5 foot bed only. Backed by Flowmaster’s Lifetime Limited Warranty.
Features:
- 3.50-inch to dual 3.00-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability
- 4.00-Inch black stainless steel tips add a custom look to the truck
- Includes complete hardware and factory styled hangers in the stock locations for an easy installation
- FlowFX “Straight Through” muffler delivers and aggressive to moderate sound level with increased performance
- Max gains of 10 hp and 10 lb-ft of torque at the rear wheels over stock
| Brand | Flowmaster |
|---|---|
| Emission Code | 5 |
| Exhaust Series | FlowFX |
| Exit Position | DOS |
| Material | 409 Stainless Steel |
| Mount Type | Uses Factory Hangers |
| Muffler Body Length (in) | 18 |
| Muffler Color | Natural |
| Muffler Finish | Brushed |
| Muffler Inlet Diameter | 3.50 |
| Muffler Inlet Location | Centered |
| Muffler Material | 409S Stainless Steel |
| Muffler Outlet Diameter | 3.00 |
| Muffler Outlet Location | Dual Outlet |
| Muffler Overall Length (in) | 24 |
| Muffler Part Number | Kit Only |
| Muffler Quantity | 1 |
| Muffler Series | FlowFX |
| Muffler Shape | Oval |
| Muffler Type | Absorption |
| Product Type | Cat-Back Exhaust |
| Single Dual | Dual |
| Sound Level | Aggressive / Moderate |
| System Type | Cat-back |
| Tip Cut | Angle |
| Tip Diameter | 4.00 |
| Tip Edge Style | Cut |
| Tip Finish | Black Ceramic |
| Tip Length | 13 |
| Tip Logo | Embossed |
| Tip Material | 304 Stainless |
| Tip Quantity | 2.00 |
| Tip Shape | Round |
| Tip Style | Double Wall |
| Tubing Diameter (in) | 3.00 |
| Tubing Material | 409S Stainless Steel |
| UPC | 090127787908 |
| California Proposition 65 Chemical Name | Chromium (hexavalent compounds) |
| Nickel (Metallic) | |
| California Proposition 65 Required | Yes |
| Part Number | 717987 |
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