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  • Flowmaster 99-06 GM Trucks 5.3L FlowFX DOSS Cat-Back Exhaust System - 717990
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Flowmaster 99-06 GM Trucks 5.3L FlowFX DOSS Cat-Back Exhaust System - 717990
Flowmaster 99-06 GM Trucks 5.3L FlowFX DOSS Cat-Back Exhaust System - 717990
Flowmaster 99-06 GM Trucks 5.3L FlowFX DOSS Cat-Back Exhaust System - 717990
Flowmaster 99-06 GM Trucks 5.3L FlowFX DOSS Cat-Back Exhaust System - 717990
Flowmaster 99-06 GM Trucks 5.3L FlowFX DOSS Cat-Back Exhaust System - 717990
Flowmaster 99-06 GM Trucks 5.3L FlowFX DOSS Cat-Back Exhaust System - 717990
Flowmaster 99-06 GM Trucks 5.3L FlowFX DOSS Cat-Back Exhaust System - 717990
Flowmaster 99-06 GM Trucks 5.3L FlowFX DOSS Cat-Back Exhaust System - 717990
Flowmaster 99-06 GM Trucks 5.3L FlowFX DOSS Cat-Back Exhaust System - 717990
Flowmaster 99-06 GM Trucks 5.3L FlowFX DOSS Cat-Back Exhaust System - 717990
Flowmaster 99-06 GM Trucks 5.3L FlowFX DOSS Cat-Back Exhaust System - 717990
Flowmaster 99-06 GM Trucks 5.3L FlowFX DOSS Cat-Back Exhaust System - 717990
Flowmaster 99-06 GM Trucks 5.3L FlowFX DOSS Cat-Back Exhaust System - 717990
Flowmaster 99-06 GM Trucks 5.3L FlowFX DOSS Cat-Back Exhaust System - 717990
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Flowmaster 99-06 GM Trucks 5.3L FlowFX DOSS Cat-Back Exhaust System - 717990

Exhaust, Mufflers & Tips Catback
Flowmaster
flo717990
In stock
Not CARB compliant. Not legal for sale or use in California on emissions-controlled vehicles.
$652.98 $760.95
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) 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 Features & Benefits Flow FX “straight through” performance muffler delivers a deep, moderate performance tone and improves exhaust flow 3.00 to dual 2.50-inch mandrel...
Flowmaster 99-06 GM Trucks 5.3L FlowFX DOSS Cat-Back Exhaust System - 717990
SKU: flo717990
Product Details

Everything You Need To Know

Review product information, shipping and returns, and price-match details before you order.

Product Info

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) 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

Features & Benefits

  • 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
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Alliance Racing is not responsible for ensuring part fitment. It is the responsibility of the purchaser to ensure the parts being ordered are the correct fitment for the vehicle intended. Alliance Racing will not accept any returns for incorrect fitment after product is opened.

To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.

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Alliance Racing LLC
8810 Twin Lakes Blvd
Tampa, FL 33614

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