855.444.6872 Contact Us Mon-Sat 10a-6p
DRIVEN BY CARE

Flowmaster 2021-2023 Ford Bronco American Thunder Axle-Back Exhaust System 818121

Flowmaster 2021-2023 Ford Bronco American Thunder Axle-Back Exhaust System 818121
Flowmaster 2021-2023 Ford Bronco American Thunder Axle-Back Exhaust System 818121Flowmaster 2021-2023 Ford Bronco American Thunder Axle-Back Exhaust System 818121Flowmaster 2021-2023 Ford Bronco American Thunder Axle-Back Exhaust System 818121Flowmaster 2021-2023 Ford Bronco American Thunder Axle-Back Exhaust System 818121Flowmaster 2021-2023 Ford Bronco American Thunder Axle-Back Exhaust System 818121Flowmaster 2021-2023 Ford Bronco American Thunder Axle-Back Exhaust System 818121Flowmaster 2021-2023 Ford Bronco American Thunder Axle-Back Exhaust System 818121Flowmaster 2021-2023 Ford Bronco American Thunder Axle-Back Exhaust System 818121Flowmaster 2021-2023 Ford Bronco American Thunder Axle-Back Exhaust System 818121
$736.99 ea
NEWARRIVING SOONEstimated Ship Date 12/16/2024 (If Ordered Today)100 Available from HOLLEY PERFORMANCE PRODUCTS as of 11/28/2024
Model: 4952760
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
OVERSIZE 2
STORE PICKUP
[More Info]
Flowmaster introduces our American Thunder axle-back exhaust system for the 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
  • 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 and Reduces Drone
  • Backed by Flowmaster's Lifetime Limited Warranty
2021-2023 Ford Bronco with 2.3L and 2.7L Ecoboost engines. Fits 2 & 4-wheel drive, 2 & 4 Door Models.
Installation Notes:
2021-2023 Ford Bronco with 2.3L and 2.7L Ecoboost engines. Fits 2 & 4-wheel drive, 2 & 4 Door Models.
About Flowmaster

Manufacturer of performance exhaust systems, mufflers, performance air intakes, turbo boost modules, catalytic converters, race mufflers, headers and numerous exhaust accessories for late model cars, trucks, off-road, Jeeps, SUV’s, classic muscle cars, powersports vehicles and more. Flowmaster® gives you lots of exhaust choices with 12 designs of chambered mufflers, 3 styles of our exclusive “laminar-flow” mufflers and a new line of FlowFX “straight-through” performance mufflers, along with 5 sound categories of exhaust systems, giving you the customer, the power to custom tailor the sound of your vehicle whether you prefer mild, moderate or aggressive tones and sound levels. Since 1983, Flowmaster is the company you can trust, and has led the industry in offering only the best products you can buy for your vehicles.

Downloads:

Download Name File Size
fm_warranty_general.pdf88.58KB
818121_instructions.pdf653.41KB

Videos:

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Submodel Years Engine
Ford Bronco Badlands 2021 2.7L / 164 / V6
2.3L / 140 / L4
Ford Bronco Badlands 2022 2.7L / 164 / V6
2.3L / 140 / L4
Ford Bronco Badlands 2023 2.7L / 164 / V6
2.3L / 140 / L4
Ford Bronco Base 2021 2.7L / 164 / V6
2.3L / 140 / L4
Ford Bronco Base 2022 2.7L / 164 / V6
2.3L / 140 / L4
Ford Bronco Base 2023 2.7L / 164 / V6
2.3L / 140 / L4
Ford Bronco Big Bend 2021 2.3L / 140 / L4
2.7L / 164 / V6
Ford Bronco Big Bend 2022 2.3L / 140 / L4
2.7L / 164 / V6
Ford Bronco Big Bend 2023 2.3L / 140 / L4
2.7L / 164 / V6
Ford Bronco Black Diamond 2021 2.7L / 164 / V6
2.3L / 140 / L4
Ford Bronco Black Diamond 2022 2.7L / 164 / V6
2.3L / 140 / L4
Ford Bronco Black Diamond 2023 2.7L / 164 / V6
2.3L / 140 / L4
Ford Bronco Everglades 2023 2.3L / 140 / L4
Ford Bronco First Edition 2021 2.7L / 164 / V6
Ford Bronco Heritage Edition 2023 2.3L / 140 / L4
Ford Bronco Heritage Limited Edition 2023 2.7L / 164 / V6
Ford Bronco Outer Banks 2021 2.7L / 164 / V6
2.3L / 140 / L4
Ford Bronco Outer Banks 2022 2.7L / 164 / V6
2.3L / 140 / L4
Ford Bronco Outer Banks 2023 2.7L / 164 / V6
2.3L / 140 / L4
Ford Bronco Wildtrak 2021 2.7L / 164 / V6
Ford Bronco Wildtrak 2022 2.7L / 164 / V6
Ford Bronco Wildtrak 2023 2.7L / 164 / V6

Specifications:

California Proposition 65 Chemical Name Chromium (hexavalent compounds), Nickel (Metallic)
California Proposition 65 Required Yes
Emission Code 5
Exhaust Series American Thunder
Exit Position SOR
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 (in) 3.00
Muffler Inlet Location Centered
Muffler Material 409S Stainless Steel
Muffler Outlet Diameter (in) 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
Part Type Exhaust System Kit
Product Type Exhaust System
Proposition 65 www.P65Warnings.ca.gov
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
Tip Style Single Wall
Tubing Diameter (in) 3.00
Tubing Material 409S Stainless Steel

Reviews:

Write a Review
* Your Name:
* Email (This will not be displayed)
* Rating:
Comments:

Ask a question about

Flowmaster 2021-2023 Ford Bronco American Thunder Axle-Back Exhaust System 818121:
Classic Truck 2024