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

• Ford Bronco 2.3L/ 2.7L Ecoboost (2021, 2022, 2023)
• 2 & 4 Door Models
• Fits 2 & 4-wheel drive

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

• Emission Code: 5
  
• Exhaust Series: American Thunder
  
• Exit Position: SOR
  
• Heat Shield: No
• Material: 409 Stainless Steel
  
• Mount Type: Uses New Hangers (Included)
  
• Muffler Body Length (in): 13.5
  
• Muffler Color: Black
  
• Muffler Finish: Painted
  
• Muffler Inlet Diameter: 3
  
• Muffler Inlet Location: Centered
  
• Muffler Material: 409S Stainless Steel
  
• Muffler Outlet Diameter: 3.00
  
• Muffler Outlet Location: Offset
  
• Muffler Overall Length (in): 34
  
• Muffler Part Number: Kit Only
  
• Muffler Quantity: 1
  
• Muffler Series: 60 Series
  
• Muffler Shape: Oval
  
• Muffler Type: Reflection
  
• Product Type: Exhaust System
  
• Single Dual: Single
  
• Sound Level: Aggressive / Moderate
  
• System Type: Axle-back
  
• Tip Cut: Angle
  
• Tip Diameter: 3.00
  
• Tip Edge Style: Cut
  
• Tip Finish: Polished 
  
• Tip Length: 4.75
  
• Tip Logo: Embossed
  
• Tip Material: 304 Stainless
  
• Tip Quantity: 1.00
  
• Tip Shape: Round
• Tubing Diameter (in): 3.00
  
• Tubing Material: 409S Stainless Steel
  
• UPC: 090127140284
  
• California Proposition 65 Chemical Name: Chromium (hexavalent compounds) / Nickel (Metallic)
• California Proposition 65 Required: Yes
  
• Part Number: 818121

Product Description

Looking for the perfect balance between a mild tone while cruising and at idle, but aggressive tone under throttle all while having no drone? The American Thunder axle-back exhaust system is perfect for the daily driven 2021-2023 Ford Bronco with the 2.3 or 2.7-liter engine. This system uses a tuned 60 Series style muffler for an aggressive to moderate exhaust tone and increased performance. Maximum dyno gains of 19 hp and 19 lb-ft. were measured at the rear wheels. 3.00-inch mandrel bent 409 stainless steel tubing is used to maximize exhaust flow and durability. A polished 3.00-inch stainless steel tip is used to add a custom look to this iconic vehicle. All of the necessary hardware is included and factory mounting locations are used for an easy installation. Backed by Flowmaster's Lifetime Limited Warranty.

Features:

• 3.00-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability
• A 3.00-inch polished stainless steel tips add a custom look
• No Drone
• Includes complete hardware and factory styled hangers in the stock locations for an easy installation
• A tuned 60 Series performance muffler delivers a deep, aggressive to moderate performance tone and improves exhaust flow
• Delta Flow Technology Increases Performance
• Backed by Flowmaster's Lifetime Limited Warranty

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