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1999-07* GM Silverado/Sierra 1500 trucks 4.3L, 4.8L & 5.3L - FlowFX Cat-back Exhaust - 717873YouTube Button

Flowmaster FlowFX Cat-Back Stainless Steel Exhaust System

Fits 1999-2007 (Classic Body) GM 1500 4.3L, 4.8L, 5.3L with 143.5 inch wheelbase, single exit

PART# 717873

$473.00   Suggested Retail
$424.95   Your Price
Estimated shipping date: 11/06/2020
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Moderate to aggressive sound

Overview

This Flowmaster FlowFX cat-back exhaust system is designed for 1999-2007* (*Classic Body) GM Silverado/Sierra 1500 trucks with 4.3L, 4.8L & 5.3L engines and features 409 stainless steel construction for added durability and 16-gauge mandrel-bent tubing for free unrestricted flow. The compact, oval "straight-through" FlowFX performance muffler attaches behind the catalytic converter and delivers a moderate, deep and powerful sound with minimal interior resonance. The mandrel-bent stainless tailpipe tucks up high in the undercarriage protecting it from being crushed when traversing rocky terrain. This system uses the factory hanger locations and is finished off with a 4.50-inch black ceramic-coated 304 stainless steel tip embossed with the Flowmaster name. The kit includes detailed instructions and all hardware necessary for a quick and easy installation you can do at home. Covered by our Lifetime Limited Warranty.

Features:

  • Increases of 6.7 HP and 6.5 FT/LBS over the stock exhaust
  • System produces a nice rumble with minimal internal resonance
  • Large 4.50-inch black ceramic coated stainless steel tip 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
  • Lifetime Limited Warranty

Specs

BrandFlowmaster
Catalytic Converter IncludedNo
Emission Code5
Exhaust SeriesFlowFX
Exit PositionSingle Out Side
Heat ShieldNo
Material409 Stainless Steel
Muffler Body Length (in)18
Muffler ColorNatural
Muffler FinishBrushed
Muffler Inlet Diameter (in)3
Muffler Material409S Stainless Steel
Muffler Outlet Diameter (in)3
Muffler Overall Length (in)24
Muffler Part NumberKit Only
Muffler Quantity1
Muffler SeriesFlowFX
Muffler ShapeOval
Muffler TypeAbsorption
Product TypeExhaust System
Single DualSingle
Sound LevelModerate / Aggressive
System TypeCat-back
Tip CutAngle
Tip Diameter4.5
Tip Edge StyleRolled
Tip FinishBlack Ceramic
Tip Length11
Tip LogoEmbossed
Tip Material304 Stainless
Tip Quantity1
Tip ShapeRound
Tubing Diameter (in)3
Tubing Material409S Stainless Steel
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number717873

Emissions

5

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.

Tech Resources

Fits 1999-2007* (*Classic body) GM Silverado/Sierra 1500 trucks with 4.3L, 4.8L and 5.3L engines, 2/4 wheel drive with 143.5-inch wheelbase.

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