2021+ Ford Bronco Turn Offroad ST1-M4 4-Door Step & Rock Slider

The 2021+ Ford Bronco Turn Offroad ST1-M4 4-Door Step & Rock Slider delivers rugged rocker protection with everyday step functionality. Built from heavy-duty steel with high-clearance bolt-on design, it shields vital body panels while improving entry and exit convenience. Ideal for serious off-road durability without compromising practicality or ground clearance.

Top Features

  • Dual-purpose step and rock slider design
  • Heavy-duty .160-wall tubular steel construction
  • Reinforced 1/4-inch and 3/16-inch steel brackets
  • High-clearance bolt-on installation
  • Removable traction step pads for secure footing
  • Full rocker and pinch seam coverage
  • Corrosion-resistant black powder-coated finish

Vehicle Fitment

  • 2021–2026 Ford Bronco 4-Door
  • 2021–2026 Ford Bronco Raptor
  • Compatible with 2.3L EcoBoost I4, 2.7L EcoBoost V6, and 3.0L EcoBoost V6 engines
Vendor: TURN Offroad
SKU: TORST1-M4
Availability: 6 In Stock
$ 859.00 USD
On-Sale $ 859.00 USD
Normally $ 859.00 USD
Save $ 0.00
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UPC: 679262803645
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2021+ Ford Bronco Turn Offroad ST1-M4 4-Door Step & Rock Slider (Part Number: ST1-M4)

This heavy-duty Step & Rock Slider system is engineered specifically for 2021+ Ford Bronco 4-door models, delivering the ideal balance of everyday convenience and serious off-road protection. Designed for drivers who demand durability without sacrificing usability, this dual-purpose upgrade functions as both a secure entry step and a reinforced rock slider built to withstand demanding trail conditions. The high-clearance, bolt-on design helps protect vulnerable rocker panels and pinch seams from impacts caused by rocks, ruts, and ledges while maintaining a clean, OEM-style body integration. With its rugged steel construction and trail-proven geometry, this system enhances both functionality and confidence whether navigating city streets or technical off-road terrain.

Key Features

  • Dual-purpose design functions as both an assist step and a full-length rock slider for maximum versatility
  • High-clearance mounting profile helps preserve ground clearance on demanding trails
  • Removable step pads with steel traction points provide secure footing in all weather conditions
  • Heavy-duty tubular steel construction engineered for repeated impact resistance
  • Reinforced mounting brackets built from 1/4-inch and 3/16-inch steel for superior strength
  • .160-wall tubing designed for enhanced rigidity and long-term durability
  • Full rocker and pinch seam coverage for improved body protection
  • Bolt-on installation designed for straightforward mounting without cutting or welding

Benefits

  • Improves vehicle accessibility for daily driving, passengers, and lifted Bronco builds
  • Reduces rocker panel damage from trail obstacles, helping preserve long-term vehicle value
  • Enhances off-road confidence by shielding critical lower body areas from impact
  • Maintains functional ground clearance compared to bulky aftermarket steps
  • Offers long-term durability backed by manufacturer limited warranty coverage
  • Delivers a premium upgrade that combines utility, protection, and aggressive off-road styling

Product Specs

  • Vehicle application: 4-door Ford Bronco and Bronco Raptor fitment specific
  • Construction material: Heavy-duty tubular steel with reinforced steel brackets
  • Bracket thickness: 1/4-inch and 3/16-inch steel mounting points
  • Tubing wall thickness: .160-inch heavy-wall steel tubing
  • Finish: Durable black powder-coated finish for corrosion resistance and rugged styling
  • Design: Full-length step and rock slider hybrid system
  • Mounting style: Bolt-on direct-fit configuration
  • Coverage: Pinch seam and rocker panel protection along lower body line

Install Difficulty level
Installation is considered straightforward and beginner-friendly for a bolt-on off-road upgrade. With basic hand tools and standard garage equipment, most installers can complete the process in a few hours without cutting, welding, or permanent modification. The direct-fit mounting system aligns with factory-style points, helping reduce installation complexity and making it an accessible upgrade for DIY enthusiasts.

Vehicle Fitment

  • 2021–2026 Ford Bronco 4-Door
  • 2021–2026 Ford Bronco Raptor
  • Engine compatibility includes factory Bronco powertrains such as 2.3L EcoBoost I4, 2.7L EcoBoost V6, and 3.0L EcoBoost V6 (Raptor applications)

If there are any questions about this product or to report product description inaccuracies, contact the MPT Performance experts at (407) 636-7077 or by email.

Shipping Policy

MPT is proud to offer free shipping on most orders over $149.

  • Free shipping applies only to the contiguous United States. Shipping and handling charges will apply to orders outside the contiguous US, and the buyer is responsible for any duty fees or taxes their home country may charge to import goods.
  • With free shipping, we will choose the best shipping method for your order. We use all major carriers, including USPS, FedEx, UPS, and DHL.

Turnaround Times:

  • MPT Tunes have a standard turnaround time of 2-3 business days, beginning once we receive your MPT Tune Form.
  • We do not process orders on weekends or observed holidays, which do not count as business days.
  • Physical items that are in stock at MPT and ordered by 4PM EST will be shipped the same day. Orders placed after 4PM EST will be processed on the following business day.

Special Considerations:

  • Items not stocked at our location will follow the same processing times but may experience lead-time delays and could incur additional charges. Shipping methods may vary for these items based on what was paid and the requested delivery speed. If you need an item by a specific deadline, please contact an MPT Expert.
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MPT Performance Returns and Refund Policy

A Return Authorization Number is required for all returns. Please contact an MPT Expert to obtain an RA # before sending anything back to us for any reason.

MPT tuning charges and license fees are Non-Refundable. The sale is final when MPT has sent the tune file over email. This includes both new tune purchases and tune updates.

Products other than MPT tunes, digital products, and MPT decals may be returned within 30 days for any reason, provided that the product has not been installed and is in brand new, unused condition with the original packaging. Once a product has been installed it is non-refundable. We reserve the right to deny the return, should the product be received and it display signs of installation or unmentioned damage.

For vehicle programmers/tuners, the vehicle must be returned to stock if a program was installed. If a tuning device is returned and has not been returned to stock, a refund will not be issued, and your tuner will not be sent back without a shipping and handling fee.

The customer is responsible for all shipping charges incurred during the return process.

Amount Refunded:
•Returns post marked before 30 days from the date the item was received will be refunded the purchase price, minus a 25% restocking fee and the cost of shipping.
After 30 days, all sales are Final.
•Shipping charges along with any package insurance are non-refundable. If your purchase was shipped with our Free Shipping option, the cost of the shipping will be subtracted from the total refund amount.

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Digital products and files that have no ability to be taken back physically, such as an SCT Tuner Unlock, are Non-Refundable.

nGauge Tune License Fee is included in your initial purchase of MPT tunes for the nGauge. This fee is factored into the price of the tunes and becomes Non-Refundable when the stock file has been emailed to MPT.

MPT Decals are Non-Refundable, once they have been received by the customer.

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