Compatible: (4.3L/4.8L/5.3L)
1999 - 2007 Chevy Silverado
1999 - 2007 GMC Sierra
Fits 1999-2007* (*Classic body) GM Silverado/Sierra 1500 trucks with 4.3L, 4.8L and 5.3L engines, 2/4 wheel drive with 143.5-inch wheelbase.
This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.
This Flowmaster FlowFX cat-back exhaust system is designed for 1999-2007* (*Classic Body) GM Silverado/Sierra 1500 trucks with 4.3L, 4.8L & 5.3L engines and features 409 stainless steel construction for added durability and 16-gauge mandrel-bent tubing for free unrestricted flow. The compact, oval "straight-through" FlowFX performance muffler attaches behind the catalytic converter and delivers a moderate, deep and powerful sound with minimal interior resonance. The mandrel-bent stainless tailpipe tucks up high in the undercarriage protecting it from being crushed when traversing rocky terrain. This system uses the factory hanger locations and is finished off with a 4.50-inch black ceramic-coated 304 stainless steel tip embossed with the Flowmaster name. The kit includes detailed instructions and all hardware necessary for a quick and easy installation you can do at home. Covered by our Lifetime Limited Warranty.
Features:
- Increases of 6.7 HP and 6.5 FT/LBS over the stock exhaust
- System produces a nice rumble with minimal internal resonance
- Large 4.50-inch black ceramic coated stainless steel tip offers an aggressive look
- Includes complete hardware and factory styled hangers in stock locations for an easy installation
- FlowFX "straight-through" performance muffler delivers a deep tone and improved exhaust flow
- Mandrel-bent 16-gauge 409 stainless steel tubing maximizes exhaust flow with excellent corrosion resistance
- Lifetime Limited Warranty
| Brand | Flowmaster |
|---|---|
| Catalytic Converter Included | No |
| Emission Code | 5 |
| Exhaust Series | FlowFX |
| Exit Position | Single Out Side |
| Heat Shield | No |
| Material | 409 Stainless Steel |
| Muffler Body Length (in) | 18 |
| Muffler Color | Natural |
| Muffler Finish | Brushed |
| Muffler Inlet Diameter (in) | 3 |
| Muffler Material | 409S Stainless Steel |
| Muffler Outlet Diameter (in) | 3 |
| 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 | Single |
| Sound Level | Aggressive / Moderate |
| System Type | Cat-back |
| Tip Cut | Angle |
| Tip Diameter | 4.5 |
| Tip Edge Style | Rolled |
| Tip Finish | Black Ceramic |
| Tip Length | 11 |
| Tip Logo | Embossed |
| Tip Material | 304 Stainless |
| Tip Quantity | 1 |
| Tip Shape | Round |
| Tubing Diameter (in) | 3 |
| Tubing Material | 409S Stainless Steel |
| California Proposition 65 Chemical Name | Chromium (hexavalent compounds) |
| Nickel (Metallic) | |
| California Proposition 65 Required | Yes |
| Part Number | 717873 |
Install Guide:

Warranty:

