American Thunder® is the "original" Flowmaster sound. In most cases a very aggressive sound level, American Thunder systems use various chambered mufflers to achieve the performance gains and aggressive sound that you want from your car or truck, inside and out. Available in stainless steel or economical aluminized steel, American Thunder systems are a great choice when you want to be heard.

Fitment Information

• Chevy Silverado / GMC Sierra 1500 4.3L/ 4.8L/ 5.3L (2004, 2005, 2006, 2007)
• 2007 Classic Body Only

Emissions Compliance

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.

Specs & Features

• 2WD/4WD: 2WD/4WD
  
• Emission Code: 5
  
• Exhaust Series: American Thunder
  
• Exit Position: Dual Out Rear / Dual Out Side
  
• Heat Shield: No
• Inlet Diameter (in): 3
• Material: Aluminized Steel
  
• Muffler Part Number: 530562
  
• Muffler Quantity: 1
  
• Muffler Series: Super 50 Series
  
• Outlet Diameter (in): 2.5
  
• Product Typ:e Exhaust System
  
• Single Dual: Dual
  
• Sound Level:  Aggressive / Moderate
  
• System Type: Cat-back
  
• Tip Diameter (in): 3
  
• Tip Quantity: 2
  
• Tubing Diameter (in): 2.5
  
• UPC: 700042020928
  
• California Proposition 65 Chemical Name: Chromium (hexavalent compounds) / Nickel (Metallic)
• California Proposition 65 Required: Yes
  
• Part Number: 17436

Product Description

For the person who is looking for an aluminized steel cat-back exhaust system with an aggressive exterior tone and moderate interior tone. The American Thunder® system is heavy 16-gauge mandrel-bent aluminized steel tubing for durability and maximum performance. Includes a Super 50„¢ 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 clear the factory spare tire and give you two choices of exit locations. Straight out the back for that true dual look, or exiting out each side behind the rear wheels, which is ideal for towing. The system is 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. Covered by our 3-year Limited Warranty. Notes: Fits Crew cab/short bed models.

Features:

• Includes Hangers and Hardware for an Easy Installation
• Mandrel-bent 16-gauge Aluminized Steel Tubing
• Dyno Tuned for Maximum Performance
• Polished 3.00-inch Stainless Steel Tips
• Super 50 Series Performance Muffler
• Uses the Factory Hanger Locations
• Moderate Exterior Exhaust Tone
• Quick and Easy Installation
• 3-year Limited Warranty

Redline360 is an authorized Flowmaster dealer and sells only genuine Flowmaster products.