FLOWMASTER part description

Product Description

American Thunder Cat Back Exhaust System

Application Summary

2020 Chevy Silverado/GMC Sierra 2500HD/3500HD Trucks w/6.6L Gas Engine

Features & Benefits

  • Mandrel Bent 16 Gauge 409 Stainless Tubing
  • Uses The Factory Hanger Locations To Ease Installation
  • 50 Series HD Muffler With Delta Flow Technology
  • Increased Performance And Exhaust Flow
  • Multiple Tailpipe Exits Provided In Kit
  • Deep Powerful Exterior Sound
  • Large 3 in. Dual Tailpipes
  • Lifetime Limited Warranty
  • Flowmaster Quality

Holley Performance Emission Code 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

Product Attributes

Exhaust Type Cat-Back
Exit Position Dual Out Rear/ Dual Out Side
Inlet Inside Diameter 3.000 in.
Material 409 Stainless Steel
Tail Pipe Diameter 3.000 in.
Tip Diameter 4.000 in.
Tubing Diameter 3.000 in.

Additional Information

Country of Origin (Primary) US
Harmonized Tariff Code (Schedule B) 8708925000
Harmonized Tariff Code (HTS) 8708925000
NAFTA Preference Criterion Code B
UPC 00700042039760
A brand under Holley Performance Products, an automotive performance company based in Bowling Green, Kentucky, Flowmaster® provides a broad selection of performance exhaust systems, air intakes, and mufflers. It also offers turbo boost modules, headers, race mufflers, and various exhaust accessories for trucks, off-road, SUVs, Jeeps, powersports vehicles, classic muscle cars, and other late model cars. For more than 30 years, Flowmaster has been delivering only the best automotive exhaust products to the market and living up to its name as “The Exhaust Technology Company.” Today, the company takes its mission statement a notch higher by offering exciting new product categories to enhance its exhaust products portfolio. It aims to be “The Performance Technology Company” automotive enthusiasts can trust.

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