Introducing Flowmaster's line of FlowFX exhaust systems. These systems are perfect for the person looking for an moderate exterior and interior sound level with all of the performance benefits that you would expect from Flowmaster. New features include bright 409S stainless steel tubing mated to our new FlowFX straight-through mufflers with a large 3.00 inch core for maximum performance and a deep, aggressive sound.

Fitment Information

• Chevy Silverado/ GMC Sierra 1500 4.3L/ 4.8L/ 5.3L V8 (1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007)
• Fits 1999-2006 GM 1500 (2007 1500 Classic) trucks with 4.3, 4.8, 5.3-Liter engines.
• Fits Crew Cab 5.5' bed, Extra Cab 6.5' bed only. 2 and 4 wheel drive

Emissions Compliance

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.

Specs & Features

• Emission Code: 5
  
• Exhaust Series: FlowFX
• Exit Position: DOSS
  
• Heat Shield: No
• Material: 409 Stainless Steel
  
• Mount Type: Uses Factory Hangers
  
• Muffler Body Length (in): 14
• Muffler Color: Natural
  
• Muffler Finish: Brushed
  
• Muffler Inlet Diameter (in): 3
  
• Muffler Inlet Location: Centered
  
• Muffler Material: 409 Stainless Steel
  
• Muffler Outlet Diameter (in): 2.50
  
• Muffler Outlet Location: Dual Inlet
  
• 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: 4.0
• Tip Edge Style: Cut
• Tip Finish: Black Ceramic Coat
  
• Tip Length: 5.25
  
• Tip Logo: Laser
  
• Tip Material: 304 Stainless
  
• Tip Quantity: 2
  
• 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

Product Description

This Flowmaster® Flow FX® 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 Flow FX "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

Redline360 is an authorized Flowmaster dealer and sells only genuine Flowmaster products.