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Fitment

YearMakeModelSub Model
2021-2025FordBroncoBadlands
2021-2023FordBronco
2021-2025FordBroncoBig Bend
2021-2024FordBroncoBlack Diamond
2021FordBroncoFirst Edition
2021-2025FordBroncoOuter Banks
2021-2024FordBroncoWildtrak
2022-2024FordBroncoEverglades
2023-2025FordBroncoHeritage Edition
2023-2024FordBroncoHeritage Limited Edition
2025FordBronco
2025FordBroncoStroppe Edition

Quick Specs

  • Country of Origin: USA
  • Sold As: Kit
  • Availability: Available
  • Exhaust Type: Axle Back
  • Exit Style: Single Out Rear
  • Mount Style: Welded
  • Shape: Oval
  • Part Number : 818121

Important Notes

ATTENTION STATE OF CALIFORNIA CONSUMERS

WARNING: Cancer and reproductive harm –

American Thunder Axle-Back Exhaust System Fits 2021-2025 Ford Bronco 2.3L/2.7L, American Thunder Axle-Back, Single Exit Flowmaster

Fits 2021-2025 Ford Bronco Badlands 2021-2023 Big Bend 2021-2024 Black Diamond 2021 First Edition Outer Banks Wildtrak 2022-2024 Everglades 2023-2025 Heritage 2023-2024 Limited 2025 Stroppe
4.9257075471698 848 5
98.514150943396%
4.9/5 out of 848 Company Reviews. Rating:
American Thunder Axle-Back Exhaust System Fits 2021-2025 Ford Bronco 2.3L/2.7L, American Thunder Axle-Back, Single Exit Flowmaster
522.95In stock
Fits 2021-2025 Ford Bronco Badlands 2021-2023 Big Bend 2021-2024 Black Diamond 2021 First Edition Outer Banks Wildtrak 2022-2024 Everglades 2023-2025 Heritage 2023-2024 Limited 2025 Stroppe
  • Brand : Flowmaster
  • SKU : 818121-BDXN
  • Part Number : 818121
$522.95

Out of stock

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Product Details

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 2021-2025 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.

  • 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
  • Delta Flow Technology Increases Performance and Reduces Drone
  • Delta Flow Technology Increases Performance
  • Backed by Flowmaster's Lifetime Limited Warranty
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