2021+ Ford Bronco MRT Trail Rated Axle-Back Exhaust with Turn Down Tip

Performance Specs at a Glance

• Loudness Rating: 6 out of 10
• Drone Rating: 1 out of 10 (minimal drone)
• Performance Rating: 8 out of 10
• Tubing: 2.5-inch T304 stainless steel, straight-through muffler design
• Tip Style: Turn down tip, T304 stainless steel
• Install Time: Approximately 60 minutes
• Tune Required: None
• Application: 2021+ Ford Bronco 2.3L EcoBoost (does not fit Bronco Sport)

The MRT Trail Rated Axle-Back is the refined exhaust upgrade for Ford Bronco owners who want a cleaner, more sporty exhaust note without an overpowering presence. Handcrafted from 2.5-inch T304 stainless steel, this axle-back system uses a straight-through muffler and a simple turn-down tip to deliver a soft, satisfying whir at idle that grows into a subtle, sporty performance sound as the RPMs climb. For Bronco owners who value performance, fuel economy, and fun without sacrificing a comfortable, livable daily drive, this is the right starting point.

• How does it sound? The MRT Bronco axle back #90R232 aggressive exhaust note that demands attenditon.
• Is there drone or resonance? The drone is noticeable but tolerable.
• What if I step on it? Wide-open throttle increases brings out an extreme exhaust roar that screams take no prisoners.

• DIY installation for the backyard mechanic.
• T304 stainless steel construction for the best corrosion resistance.
• Engineered, designed and manufactured in the U.S.

FAQs About Axle Back Exhausts for Full Size 2021-Present Ford Broncos with 2.3L EcoBoost Engines

What years and engines does this exhaust fit?

This system is designed for the 2021 and newer Ford Bronco equipped with the 2.3L EcoBoost engine. It does not fit the Ford Bronco Sport, which uses a different platform.

What does the MRT Trail Rated Axle-Back sound like?

At idle, it produces a simple, soft whir that is present without being overpowering. As RPMs climb, the tone becomes sporty but stays subdued and in the background. You can hear some turbo whoosh and whistle from the EcoBoost engine, and wide-open throttle brings out a more confident, enhanced sport sound.

How much drone does this system produce on the highway?

MRT rates the drone at a 1 out of 10. The drone is noticeable in certain conditions but stays well within a comfortable, livable range, making this system a strong choice for daily driving and long highway trips.

Why is it called a turn down tip, and how does it benefit my Bronco?

The turn-down tip points downward instead of extending rearward, keeping the exhaust tucked out of the way. This protects the Bronco's ground clearance and departure angle, ensuring the exhaust upgrade never compromises off-road capability.

Will this exhaust improve performance and fuel economy on my Bronco?

Yes. The straight-through muffler design improves exhaust flow on the 2.3L EcoBoost engine, which supports gains in performance, sound character, and fuel economy compared to the factory exhaust.

Do I need a tune after installing this axle-back system?

No tune is required. This is a direct bolt-on replacement that is fully compatible with the factory ECU and requires no additional programming or calibration.

How long does installation take, and what tools do I need?

Installation takes approximately 60 minutes using only common hand tools. The system is designed for a straightforward DIY install, making it accessible for any backyard mechanic.

How does this compare to the King of the Hill series?

The Trail Rated Axle-Back is quieter and more refined than MRT's King of the Hill series, which is designed for owners who want a more aggressive, street performance sound that growls under most driving conditions. The King of the Hill series is available in turn-down tip, part number 90R230, single tip, part number 90R234, and dual tips, part number 90R238.

Is a single tip version of the Trail Rated Axle-Back available?

Yes. If you prefer this same Trail Rated sound profile with a single polished exhaust tip instead of a turn-down tip, MRT offers that configuration under part number 90R236.

What other Bronco upgrades pair well with this exhaust?

For the full MRT effect, many owners pair this axle-back with MRT's no-drill Ford Bronco Hood Struts, part number 80K110, which eliminate the factory prop rod without drilling any holes in the vehicle.

• Can I install this myself? Yes, MRT engineers this Premium Exhaust System for a simple do-it-yourself (DIY) installation.
• How long does it take to install? Installation time is about 1 hour and requires only common hand tools.
• What is included? All necessary hardware included.