Home » Flowmaster 99-06 GM Trucks 5.3L FlowFX DOSS Cat-Back Exhaust System
Flowmaster 99-06 GM Trucks 5.3L FlowFX DOSS Cat-Back Exhaust System
Flowmaster 99-06 GM Trucks 5.3L FlowFX DOSS Cat-Back Exhaust System
Flowmaster 99-06 GM Trucks 5.3L FlowFX DOSS Cat-Back Exhaust System
Flowmaster 99-06 GM Trucks 5.3L FlowFX DOSS Cat-Back Exhaust System
Flowmaster 99-06 GM Trucks 5.3L FlowFX DOSS Cat-Back Exhaust System
Flowmaster 99-06 GM Trucks 5.3L FlowFX DOSS Cat-Back Exhaust System
Flowmaster 99-06 GM Trucks 5.3L FlowFX DOSS Cat-Back Exhaust System
Flowmaster 99-06 GM Trucks 5.3L FlowFX DOSS Cat-Back Exhaust System
Flowmaster 99-06 GM Trucks 5.3L FlowFX DOSS Cat-Back Exhaust System
Flowmaster 99-06 GM Trucks 5.3L FlowFX DOSS Cat-Back Exhaust System
Flowmaster 99-06 GM Trucks 5.3L FlowFX DOSS Cat-Back Exhaust System
Flowmaster 99-06 GM Trucks 5.3L FlowFX DOSS Cat-Back Exhaust System
Flowmaster 99-06 GM Trucks 5.3L FlowFX DOSS Cat-Back Exhaust System
Flowmaster 99-06 GM Trucks 5.3L FlowFX DOSS Cat-Back Exhaust System
Flowmaster 99-06 GM Trucks 5.3L FlowFX DOSS Cat-Back Exhaust System
Flowmaster 99-06 GM Trucks 5.3L FlowFX DOSS Cat-Back Exhaust System
Flowmaster 99-06 GM Trucks 5.3L FlowFX DOSS Cat-Back Exhaust System
Flowmaster 99-06 GM Trucks 5.3L FlowFX DOSS Cat-Back Exhaust System
Flowmaster 99-06 GM Trucks 5.3L FlowFX DOSS Cat-Back Exhaust System
Flowmaster 99-06 GM Trucks 5.3L FlowFX DOSS Cat-Back Exhaust System
Flowmaster

Flowmaster 99-06 GM Trucks 5.3L FlowFX DOSS Cat-Back Exhaust System

SKU: flo717990
Out of stock
$675.95

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!

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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. Fits 1999-2006 GM 1500 (2007 1500 Classic) 4.3, 4.8, 5.3-Liter, Flow FX Cat-Back, Dual Same Side Out Exit, Stainless Steel Exhaust System 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
  • Flow FX “straight through” performance muffler delivers a deep, moderate performance tone and improves exhaust flow
  • 3.00 to dual 2.50-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability
  • Includes complete hardware and factory styled hangers in the stock locations for an easy installation
  • Max increases of up to 14 hp and 13 lb-ft over the stock exhaust at the rear wheels
  • Dual 4.00-inch black ceramic coated tips add a custom look to the truck

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