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1999-06 GM Silverado/Sierra 1500 - American Thunder Cat-back Exhaust System 817395YouTube Button

Flowmaster American Thunder Cat-back Exhaust System

1999-2006 Chevrolet Silverado, GMC Sierra 1500 with 4.8L or 5.3L engine. (See applications below)

PART# 817395

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Fits 1999-2006 Chevrolet Silverado and GMC Sierra 1500 with 4.8L or 5.3L engine, fits 2/4 wheel drive models with and extended cab/short bed configuration on 143.5 inch wheelbase.

Overview

For the person who is looking for a stainless steel cat-back exhaust system with an aggressive exterior tone and moderate interior tone. The American Thunder® system is heavy 16 gauge mandrel-bent stainless steel tubing for durability and maximum performance. Includes a stainless steel Super 40™ Series performance muffler for that perfect blend of a deep aggressive exterior sound, with a moderate interior tone that won't drive you out of the cab when having a conversation. The dual 2.50-inch tailpipes exit out the same side in front of the passenger side rear wheel and are finished off with a pair of 3.00-inch diameter highly polished 304 stainless steel tips embossed with the Flowmaster® name. Designed for an easy fit, these systems include all necessary parts, hardware and instructions for an easy installation you can do at home.

Features:

  • Includes Hangers and Hardware for an Easy Installation
  • Mandrel-bent 16 Gauge Stainless Steel Tubing
  • Moderate to Aggressive Exterior Exhaust Tone
  • Connects After Factory Catalytic Converter
  • Super 40 Series Performance Muffler
  • Lifetime Limited Warranty

Specs

2WD/4WD2WD/4WD
BrandFlowmaster
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Emission Code5
Exhaust SeriesAmerican Thunder
Exit PositionDual Same Side Exit
Heat ShieldNo
Inlet Diameter (in)3
MaterialStainless Steel
Muffler Part NumberKit Only
Muffler Quantity1
Muffler SeriesSuper 40 Series
Outlet Diameter (in)2.5
Product TypeExhaust Systems / Kits
Single DualDual
Sound LevelAggressive Sound
System TypeCat-back System
Tip Diameter (in)3
Tip Quantity2
Tubing Diameter (in)2.5
Part Number817395

Emissions

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 1999-2006 Chevrolet Silverado and GMC Sierra 1500 with 4.8L or 5.3L engine, fits 2/4 wheel drive models with and extended cab/short bed configuration on 143.5 inch wheelbase.

Applications

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