SKU: 73923942249

Flowmaster 818121 American Thunder Axle Back Exhaust System

Sale price$256.50 Regular price$285.00
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Ships within 48 hours · Estimated delivery Jul 12 - Jul 17

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Description

Flowmaster 818121 American Thunder Axle Back Exhaust SystemFlowmaster introduces our new stainless steel cat back and axle back exhaust systems for the 2021 2022 Ford Bronco with the 2. 3 and 2. 7 liter engines. These systems use either a FlowFX, 60 Series, Outlaw Series muffler or a high clearance muffler delete for a deep powerful sound and increased performance. Maximum dyno gains of 19hp and 19 lb ft at the rear wheels (818121 kit). Mandrel bent 409 stainless steel tubing is used for maximum exhaust flow

Flowmaster introduces our new stainless steel cat-back and axle-back exhaust systems for the 2021-2022 Ford Bronco with the 2.3 and 2.7-liter engines. These systems use either a FlowFX, 60 Series, Outlaw Series muffler or a high clearance muffler delete for a deep powerful sound and increased performance. Maximum dyno gains of 19hp and 19 lb-ft at the rear wheels (818121 kit). Mandrel bent 409 stainless steel tubing is used for maximum exhaust flow and durability. 3.00-inch and 4.00-inch black or polished stainless steel tips are 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.

Exhaust System Kit; American Thunder ® Axle Back System; Stainless Steel; With Muffler; 3 Inch Pipe Diameter; Single Exhaust With Single Exit; Rear Exit; 4-3/4 Inch Round Angle-Cut Polished Stainless Steel Tip

Features & Benefits

  • Features 3 Inch Mandrel Bent 16 Gauge 409 Stainless Steel Tubing Maximizes Exhaust Flow And Improves Durability
  • Features 3 Inch Polished Stainless Steel Tips Add A Custom Look
  • Delta Flow Technology Increases Performance
  • A Tuned 60 Series Performance Muffler Delivers A Deep, Aggressive To Moderate Performance Tone And Improves Exhaust Flow
  • No Drone
  • Features Complete Hardware And Factory Styled Hangers In The Stock Location For An Easy Installation
  • Limited Lifetime Warranty

Attributes

  • Type: Axle-Back
  • Exhaust Type: Single
  • Outlet Type: Single
  • Exit Position: Passenger Side Rear
  • Material: Stainless Steel
  • Includes Muffler: Yes
  • Sound Level: Aggressive/ Moderate
  • Diameter (IN): 3 Inch
  • Includes Exhaust Tip: Yes
  • Exhaust Tip Style: 4-3/4 Inch Round Angle-Cut
  • Exhaust Tip Material: Stainless Steel
  • Muffler Quantity: 1
  • Includes Exhaust Pipe Muffler Delete: No
  • Muffler Configuration: Single Inlet/ Single Outlet
  • Muffler Brand: A Tuned 60
  • Includes Hardware: Yes
  • Required Welding: No
  • Estimated Install Time (Hours): 2
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 73923942249

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minuscipher
Waukegan, US
★★★★★ 1
Not for heavy chewers!
Color: Blue, Color: Blue
Didn’t last more than 10 minutes
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Reviewed in the United States on June 6, 2026
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Daniel R.
Natrona Heights, US
★★★★★ 5
Built for rough use
Color: Pink
Our dog plays with it for hours
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Reviewed in the United States on May 17, 2026
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Julie Byrd
Chelsea, US
★★★★★ 4
great item
Color: Blue
my dog loves and he is a aggressive chewer still going stron
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Reviewed in the United States on November 5, 2025
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Beachlover27
Draper, US
★★★★★ 5
Seems to be indestructible
Color: Blue
Quality toy that seems to be indestructible to my aggressive chewer. The down side is that it's not his favorite toy because he seems to know he can't destroy it.
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Reviewed in the United States on August 24, 2025
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Dennis Collins
Pawtucket, US
★★★★★ 2
Didn’t last long but she loves it
Color: Pink
Our miniature dachshund dog 2 1/2 years old had the lid chewed off before the Amazon Driver got out of the driveway
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Reviewed in the United States on February 18, 2026

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