Flowmaster®

Flowmaster® (99-07) Silverado/Sierra 409SS FlowFX Cat-Back System (143.5" WB)

  • Sale
  • Regular price $579.95




Compatible: (4.3L/4.8L/5.3L)

1999 - 2007 Chevy Silverado 

1999 - 2007 GMC Sierra


Fits 1999-2007* (*Classic body) GM Silverado/Sierra 1500 with either a 4.3L, 4.8L or 5.3L engine. 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 FlowFX cat-back exhaust system is for 1999-2007* (*Classic body) GM Silverado/Sierra 1500 with either a 4.3L, 4.8L or 5.3L engine and is manufactured using durable 409 stainless steel throughout and features a 3.00-inch inlet pipe leading to a single inlet/dual outlet FlowFX "straight-through" muffler for great sound and maximum performance. The dual 2.50-inch mandrel-bent tailpipes exit out the side at an angle behind the rear wheels directing exhaust away from your boat or travel trailer when towing. The system is finished off with a pair of large 4.50-inch diameter black ceramic coated 304S stainless steel tips, giving your truck a custom look that goes hand in hand with that deep performance FlowFX sound. The system uses all the existing factory hanger locations and includes an additional hanger to install the new left side tailpipe. Includes installation instructions and all necessary hardware for an easy installation that you can do at home. Note: Fits 2 & 4 Wheel Drive with 143.5 inch wheelbase.

Features:

  • Increases of up to 8 hp and 7 lb/ft of torque over the stock exhaust
  • System produces a nice rumble with minimal interior resonance
  • Large 4.50-inch black ceramic coated stainless steel tips 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
  • Clears the factory spare tire
  • Lifetime Limited Warranty


Brand Flowmaster
Catalytic Converter Included No
Emission Code 5
Exhaust Series FlowFX
Exit Position Dual Out Side
Heat Shield No
Material 409 Stainless Steel
Mount Type Uses Factory Hangers
Muffler Body Length (in) 18
Muffler Color Natural
Muffler Finish Brushed
Muffler Inlet Diameter (in) 3
Muffler Inlet Location Centered
Muffler Material 409 Stainless Steel
Muffler Outlet Diameter (in) 2.5
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 Exhaust System
Single Dual Dual
Sound Level 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 2
Tip Shape Round
Tip Style Single Wall
Tubing Diameter (in) 2.5
Tubing Material 409 Stainless Steel
Part Number 717924



Install Guide:

 

 

Warranty: