FLOWMASTER
FLOWMASTER FLOWFX CAT-BACK EXHAUST SYSTEM
Fits 1999-2006 GM 1500 (2007 1500 Classic) 4.3, 4.8, 5.3-Liter, FlowFX Cat-Back, Dual Same Side Out Exit, Stainless Steel Exhaust System
Part # 717990
This Flowmaster® FlowFX® cat-back exhaust system for the 1999-2006 GM 1500 trucks (2007 1500 Classic) with the 4.3, 4.8, or 5.3-liter engine (Crew Cab 5.5′ bed, Extra Cab 6.5′ bed only) is manufactured using durable 409 stainless steel throughout and features 3.00 to dual 2.50-inch mandrel bent pipes for better exhaust gas flow. A FlowFX “straight-through” muffler is used for a moderate to mild sound level and maximum performance. Maximum increases on the dyno revealed +14 hp and +13 lb-ft at the rear wheels. This system exits out the same side, in front of the rear wheel on the passenger with dual 4.00-inch black ceramic tips for added style and a custom 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 14 hp and 13 lb-ft over the stock exhaust at the rear wheels
- 3.00 to dual 2.50-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability
- Dual 4.00-inch black ceramic coated 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” performance muffler delivers a deep, moderate performance tone and improves exhaust flow
| Brand | Flowmaster |
|---|---|
| Emission Code | 5 |
| Exhaust Series | FlowFX |
| Exit Position | DOSS |
| Mount Type | Uses Factory Hangers |
| Muffler Body Length (in) | 14 |
| Muffler Color | Natural |
| Muffler Finish | Brushed |
| Muffler Inlet Diameter | 3.00 |
| Muffler Inlet Location | Centered |
| Muffler Material | 409S Stainless Steel |
| Muffler Outlet Diameter | 2.50 |
| Muffler Outlet Diameter (in) | 2.50 |
| Muffler Outlet Location | Dual Outlet |
| Muffler Overall Length (in) | 20 |
| 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 | Aggressive / Moderate |
| System Type | Cat-back |
| Tip Cut | Angle |
| Tip Diameter | 4.00 |
| Tip Edge Style | Cut |
| Tip Finish | Black Ceramic |
| Tip Length | 5.25 |
| Tip Logo | Laser |
| Tip Material | 304 Stainless |
| Tip Quantity | 2.00 |
| Tip Shape | Round |
| Tip Style | Double Wall |
| Tubing Diameter (in) | 3.00/2.50 |
| Tubing Material | 409S Stainless Steel |
| UPC | 090127136744 |
| California Proposition 65 Chemical Name | Chromium (hexavalent compounds) |
| Nickel (Metallic) | |
| California Proposition 65 Required | Yes |
| Part Number | 717990 |
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