Flowmaster 99-06 GM 1500 V6/V8 FlowFX Cat-Back DOS Exhaust System

SKU: flo717924
Out of stock
Regular price $849.95

Ready to install and hit the road!

All parts come with the essentials you need for a smooth fit and clear instructions. From performance upgrades to custom styling, unbox and get your ride ready with confidence!

This Flow FX 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 Flow FX "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 Flow FX 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. 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 - Moderate sound 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
  • Mandrel-bent 16-gauge 409 stainless steel tubing maximizes exhaust flow with excellent corrosion resistance
  • Includes complete hardware and factory styled hangers in stock locations for an easy installation
  • Flow FX "straight-through" performance muffler delivers a deep tone and improved exhaust flow
  • Large 4.50-inch black ceramic coated stainless steel tips offers an aggressive look
  • 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
  • Clears the factory spare tire
  • Lifetime Limited Warranty

Fitment:
1999 Chevrolet Silverado 1500
1999 GMC Sierra 1500
2000 Chevrolet Silverado 1500
2000 GMC Sierra 1500
2001 Chevrolet Silverado 1500
2001 GMC Sierra 1500
2002 Chevrolet Silverado 1500
2002 GMC Sierra 1500
2003 Chevrolet Silverado 1500
2003 GMC Sierra 1500
2004 Chevrolet Silverado 1500
2004 GMC Sierra 1500
2005 Chevrolet Silverado 1500
2005 GMC Sierra 1500
2006 Chevrolet Silverado 1500
2006 GMC Sierra 1500
2007 Chevrolet Silverado 1500 Classic
2007 GMC Sierra 1500 Classic


Air Freight Prohibited: false
Not Carb Approved: false
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Units Per Sku: 1