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2019 GM Silverado/Sierra 1500 6.2L - American Thunder Cat-back Exhaust 817891YouTube Button

Flowmaster American Thunder Cat-back Exhaust System

2019-2020 Chevrolet Silverado, GMC Sierra 1500 with 6.2L engine.

PART# 817891

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$905.00   Suggested Retail
$813.95   Your Price
Estimated shipping date: 12/31/2020
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Aggressive to moderate sound

Overview

This Flowmaster American Thunder® cat-back dual exhaust system for the 2019-2020 GM Silverado/Sierra 1500 (new body style) trucks with the 6.2L engine is perfect for the person looking for an aggressive sound level outside the truck, with a moderate interior tone and all the performance benefits you would expect from Flowmaster®. This emissions-legal bolt-on system fits all 6.2L Crew Cab with 5.5-ft and 6.5-ft beds, and all Double Cab with a 6.5-ft bed and factory dual exhaust tailpipes. Features include a mandrel-bent 3.50-inch stainless steel inlet tube flowing into a single 50 Series HD™ muffler, dual 2.50-inch mandrel-bent stainless tailpipes replacing the factory resonators and giving your truck some growl. The tailpipes are finished off with quad 4.00-inch black ceramic coated stainless steel tips that exit in place of the factory bolt-on exhaust bezels giving your truck an aggressive performance style and setting your truck apart from others, sending the message that you would rather lead than follow. Designed for an easy fit, this system includes all necessary parts, detailed instructions and hardware for an easy at home installation. Notes: Fits 147-inch and 157-inch wheelbases with 6.2L engine and factory dual tailpipes.

Features:

  • Large 4.00-inch Black Ceramic Coated Tips
  • Removes Factory Resonators in Tailpipes
  • Large 50 Series HD Performance Muffler
  • Moderately Aggressive Exterior Tone
  • Black Ceramic Coated Quad Tips
  • Full Stainless Steel Construction
  • Uses Factory Hanger Locations
  • Lifetime Limited Warranty

Specs

BrandFlowmaster
Emission Code5
Exhaust SeriesAmerican Thunder
Exit PositionDual Out Rear
Material409 Stainless Steel
Mount TypeUses Factory Hangers
Muffler Series50 Series HD
Product TypeExhaust System
Single DualDual
Sound LevelAggressive / Moderate
System TypeCat-back
Tip FinishPolished
Tip Material304 Stainless
Tubing Diameter (in)2.5
Tubing Material409S Stainless Steel
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number817891

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 2019-2020 Chevrolet Silverado 1500 and GMC Sierra 1500 Crew Cab and Double Cab models with 6.2L engine.

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