Home Flowmaster FlowFX Axle-Back Exhaust System - 2021-2025 Ford Bronco 2.3L/2.7L | #718123
Flowmaster FlowFX Axle-Back Exhaust System - 2021-2025 Ford Bronco 2.3L/2.7L | #718123
Flowmaster FlowFX Axle-Back Exhaust System - 2021-2025 Ford Bronco 2.3L/2.7L | #718123
Flowmaster FlowFX Axle-Back Exhaust System - 2021-2025 Ford Bronco 2.3L/2.7L | #718123
Flowmaster FlowFX Axle-Back Exhaust System - 2021-2025 Ford Bronco 2.3L/2.7L | #718123
Flowmaster FlowFX Axle-Back Exhaust System - 2021-2025 Ford Bronco 2.3L/2.7L | #718123
Flowmaster FlowFX Axle-Back Exhaust System - 2021-2025 Ford Bronco 2.3L/2.7L | #718123
Flowmaster FlowFX Axle-Back Exhaust System - 2021-2025 Ford Bronco 2.3L/2.7L | #718123
Flowmaster FlowFX Axle-Back Exhaust System - 2021-2025 Ford Bronco 2.3L/2.7L | #718123
Flowmaster FlowFX Axle-Back Exhaust System - 2021-2025 Ford Bronco 2.3L/2.7L | #718123
Flowmaster FlowFX Axle-Back Exhaust System - 2021-2025 Ford Bronco 2.3L/2.7L | #718123
Flowmaster FlowFX Axle-Back Exhaust System - 2021-2025 Ford Bronco 2.3L/2.7L | #718123
Flowmaster FlowFX Axle-Back Exhaust System - 2021-2025 Ford Bronco 2.3L/2.7L | #718123
Flowmaster FlowFX Axle-Back Exhaust System - 2021-2025 Ford Bronco 2.3L/2.7L | #718123
Flowmaster FlowFX Axle-Back Exhaust System - 2021-2025 Ford Bronco 2.3L/2.7L | #718123

Flowmaster FlowFX Axle-Back Exhaust System - 2021-2025 Ford Bronco 2.3L/2.7L | #718123

SKU: flo718123
Regular price $499.99 Sale price $449.99
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Flowmaster FlowFX Axle-Back Exhaust System - 2021-2025 Ford Bronco 2.3L/2.7L | #718123

Flowmaster FlowFX Axle-Back Exhaust System - 2021-2025 Ford Bronco 2.3L/2.7L | #718123

$449.99

Overview

The Flowmaster FlowFX Axle-Back Exhaust System (Part #718123) is a direct-fit performance exhaust upgrade engineered specifically for the 2021–2025 Ford Bronco equipped with the 2.3L EcoBoost or 2.7L EcoBoost engine. Designed for off-road enthusiasts and daily drivers alike, this axle-back system delivers an aggressive, throaty exhaust note without the drone — giving your Bronco a sound that matches its rugged character. If you're searching for the best axle-back exhaust for the Ford Bronco, the FlowFX is a top-rated, bolt-on solution built to last.

Key Features & Benefits

  • Aggressive FlowFX Sound Profile — Tuned to produce a bold, deep exhaust tone at wide-open throttle while remaining comfortable and drone-free during highway cruising.
  • Direct-Fit Axle-Back Design — Replaces only the rear section of your exhaust from the axle back, making installation straightforward and preserving your factory catalytic converters and mid-pipe.
  • Mandrel-Bent Aluminized Steel Construction — Smooth, unrestricted bends maximize exhaust flow and improve throttle response while resisting corrosion in harsh off-road environments.
  • Stainless Steel Tips Included — Polished stainless exhaust tips add a premium, finished look to complement the Bronco's bold exterior styling.
  • No Tuning Required — Bolt-on installation requires no engine tune or ECU modification, making it a hassle-free performance upgrade.
  • Improved Exhaust Scavenging — Enhanced flow characteristics help the engine breathe more efficiently, contributing to a more responsive driving feel.
  • Flowmaster Quality Assurance — Backed by Flowmaster's decades of American exhaust engineering expertise, ensuring consistent quality and reliability.

What's Included

  • Flowmaster FlowFX axle-back muffler assembly
  • Polished stainless steel exhaust tip(s)
  • All required clamps and hardware for installation
  • Flowmaster installation instructions

Specifications

Manufacturer Part Number 718123
SKU flo718123
UPC 090127140253
Brand Flowmaster
System Type Axle-Back
Muffler Series FlowFX
Primary Material Aluminized Steel
Tip Material Polished Stainless Steel
Sound Level Aggressive / Moderate Drone
Tuning Required No
CARB Compliant Not CARB EO certified — intended for off-road or racing use in emissions-regulated states. Check local regulations before purchasing.

Fitment & Compatibility

This Flowmaster FlowFX axle-back exhaust system is designed to fit the following vehicles:

  • 2021 Ford Bronco — 2.3L EcoBoost 4-Cylinder & 2.7L EcoBoost V6
  • 2022 Ford Bronco — 2.3L EcoBoost 4-Cylinder & 2.7L EcoBoost V6
  • 2023 Ford Bronco — 2.3L EcoBoost 4-Cylinder & 2.7L EcoBoost V6
  • 2024 Ford Bronco — 2.3L EcoBoost 4-Cylinder & 2.7L EcoBoost V6
  • 2025 Ford Bronco — 2.3L EcoBoost 4-Cylinder & 2.7L EcoBoost V6

Compatible with 2-door and 4-door Bronco configurations. Verify your specific trim and build before ordering. Not compatible with the Ford Bronco Sport.

Installation

The Flowmaster FlowFX #718123 is a bolt-on axle-back replacement designed for straightforward installation in a home garage with basic hand tools. The system uses factory mounting locations and included hardware, with no cutting, welding, or engine tuning required. Most installations can be completed in 1–2 hours. Lifting the vehicle safely with jack stands or a lift is recommended for easier access. Professional installation is available at any qualified exhaust or performance shop if preferred.

Is this exhaust legal in California? This product is not currently CARB EO certified and may not be legal for use on public roads in California or other emissions-regulated states. It is intended for off-highway recreational and competition use in those jurisdictions. Always verify compliance with your local emissions laws prior to installation.

 

BUCKLE UP OFF-ROAD
RETURN, CANCELLATION, & SHIPPING POLICY

CANCELLATION POLICY:
You may cancel your order if it has not shipped. Please reach out to us promptly with your full name, order number, reason for cancellation, and the specific items you wish to cancel. Please note that cancellations are subject to a 10% fee based on the original purchase price. This fee covers expenses incurred from our vendors and credit card processors, reflecting the costs associated with processing your initial transaction.

RETURN POLICY:
We offer a 30 days returns policy (from date of when order was placed). If your item arrives damaged or is found to be defective, please contact our customer service immediately and do not install the product. Please take photos of the box and the defective product and do not throw anything away. We are committed to resolving this for you promptly. For all other orders, please note that a restocking fee and shipping charges will apply. International orders are unable to be returned.

RESTOCKING FEES:
Please be aware that all returns are subject to a restocking fee. To determine the specific restocking fee for your return, kindly inquire with your customer support representative. In cases of new a product being returned the restocking fee is 10%. In cases where items exhibit damage, are missing parts, are not in their original condition, or show clear signs of use unrelated to any error on the part of Buckle Up Off-Road, a full restocking fee of up to 50% will be applied. It is essential to verify the compatibility of the selected parts with your vehicle model before placing your order. Should you have any questions, please reach out to us before ordering, as you may be responsible for both restocking and shipping fees.  A restocking fee is designed to cover the various expenses associated with processing returns, including transaction fees, shipping costs, and administrative fees. While we strive to maintain a fair and transparent process, we do need to account for these expenses, which is why we have implemented a nominal restocking fee. This fee helps us offset some of the costs incurred, ultimately contributing to maintaining our everyday low prices.


Example: If you accidentally ordered an item, received the package and didn’t open it, you may receive a refund for the item's cost, minus the initial shipping, return shipping, and restocking fees.

RETURN TO SENDER
If a package delivery is unsuccessful due to an insufficient address, vacancy, or if it is returned to sender, the original shipping cost will be deducted from the refund along with any applicable restocking fees. Customers may choose to pay the shipping cost again to have the package re-delivered.

NON-RETURNABLE ITEMS:
Clearance and Open Box items, Mount and Balance Wheel & Tire Packages, Used or Installed Items, Special Order Items, Incomplete Items, Items with Incomplete or Damaged Packaging, Engine Internals, Electronics, Body Parts, Oil and Aerosol Items, Ford OEM Genuine Parts, Tune Calibration Devices, Custom Tune Packages, & Wheel Spacers

REFUNDS:
Upon receipt of the returned item, the process and method of issuing your refund will be contingent on the item's condition and the overall order duration. Your refund will be processed subtracting any initial shipping fees, return shipping fees, and restocking fees. If a gift card was utilized, the refund will initially be credited to the gift card, followed by the second form of payment.

Please keep in mind: It may require 5-7 business days for your return to be received, inspected, and processed. Refunds will be processed using the original payment method. Buckle Up Off-Road cannot issue a refund to an account not on record or any other separate accounts.

For refunds via Credit Card, it may take 3-5 business days to reflect on the customer's end. Refunds through PayPal may take 1-2 business days to show on the customer's end. Gift Card refunds may take 1-2 business days to activate.

SHIPPING:
Buckle Up Off-Road ships via multiple carriers such as FedEx, UPS, USPS, and DHL. We cannot guarantee the shipping company used to deliver your products. Your order may be shipped in multiple boxes from different carriers. Orders take 24hrs to process and transit times vary. Shipping cutoff is 2:30pm EST. International orders are subject to higher shipping fees, and we reserve the right to add to it.

Any modifications to an address after the order is placed is subject to a fee. The flat rate fee for a single smaller package is $20, and for larger or multiple packages the fee is not limited to $60.

To prevent fraud, all shipments over $500 must be signed for. We will make three delivery attempts, which must be received by the recipient. Failure to receive the delivery within these three delivery attempts, will result in a shipping charge After the package is redelivered to us as well as a charge to reship the item to you.

International Shipping: We are able to ship internationally but a custom invoice and order will need to be made if the website is unable to process. Please contact support@buckleupoffroad.com and we can further assist. Additional shipping charges will apply and customer is responsible for any additional duties to be paid. All orders are non-returnable and non-refundable. 

 

Special Orders may require a longer lead time for processing and shipping. These items may also have a different return policy and may not be eligible for returns. For more details, please contact us at support@buckleupoffroad.com prior to placing your order.

BUCKLE UP OFF-ROAD BRAND

Buckle Up Off-Road branded products come with a 60-day limited manufacturing warranty against defects in materials and workmanship. If a product is found to be defective within 60 days of purchase, we will, at our discretion, repair, replace, or issue an in-store credit of the item. This warranty does not cover normal wear and tear, misuse, abuse, improper installation, accidents, modifications, neglect, or damage from exposure to harsh conditions. The warranty is non-transferable and applies only to the original purchaser.

LUMEN8 & BBM BRAND

Lumen8 & BBM branded products come with a 60-day limited manufacturing warranty against defects in materials and workmanship. If a product is found to be defective within 60 days of purchase, we will, at our discretion, repair, replace, or issue an in-store credit of the item. This warranty does not cover normal wear and tear, misuse, abuse, improper installation, accidents, modifications, neglect, or damage from exposure to harsh conditions. The warranty is non-transferable and applies only to the original purchaser.

ALL OTHER BRANDS

Please visit the brand's website for their warranty terms. We are not responsible for other brands' warranties or their issuance. While we can assist in facilitating communication between the brand and the consumer, it is best to contact the manufacturer directly regarding any issues.

Many products are designed for off-road use, and it is the customer’s responsibility to understand and comply with local laws regarding aftermarket accessories. Professional installation is strongly recommended for all products. All performance modifications and installations are performed at the customer’s own risk. Buckle Up Off-Road assumes no liability, whether expressed or implied, for any mechanical, electrical, or other failures that may occur from using aftermarket performance products. By purchasing these products, the customer accepts full responsibility for their use and/or misuse and agrees that Buckle Up Off-Road is not liable for any resulting consequences, legal or otherwise.

California Proposition 65 Warning

⚠️ WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer, and or birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov