Bull Boost Performance
Dry Carbon Fiber Rear Diffuser for McLaren 540C 570S 570GT
Dry Carbon Fiber Rear Diffuser for McLaren 540C 570S 570GT
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Upgrade the rear end of your McLaren 540C, 570S, or 570GT with the STRATEC™ Carbon Fiber Rear Diffuser, engineered to enhance aerodynamic performance, stability, and visual appeal. Made from high-quality carbon fiber, this diffuser reduces drag, increases downforce, and delivers a more aggressive motorsport look.
Features
1. Premium Carbon Fiber Construction
Crafted from high-strength carbon fiber for maximum durability, lightweight performance, and an authentic high-end appearance.
2. Enhanced Aerodynamics
Optimizes airflow under the vehicle, reducing drag and improving high-speed stability and handling.
3. Increased Rear Downforce
Improved airflow generates additional rear downforce, resulting in better traction, cornering grip, and overall control at high speeds.
4. Aggressive Motorsport Styling
Sleek lines and a bold carbon fiber finish intensify the rear profile of your McLaren, giving it a true performance-focused aesthetic.
5. Lightweight Performance Upgrade
Carbon fiber construction reduces overall weight, improving power-to-weight ratio and driving responsiveness without compromising strength.
6. Precision Fitment (540C / 570S / 570GT)
Engineered for a seamless OEM-level fit with factory mounting points, ensuring perfect alignment and a factory-like finish.
7. UV & Scratch-Resistant Coating
Protected with a high-quality UV-resistant and scratch-resistant coating to maintain its deep gloss and durability over time.
8. Easy Installation
Direct bolt-on design with included hardware provides a smooth, hassle-free installation with minimal modification required.
Shipping & Returns
Shipping & Returns
Shipping on most orders in 24-48 hours special orders can be 2-3 days. Returns see Returns Policy.
We have a 30-day return policy on most products, which means you have 30 days after receiving your item to request a return. Some products carry a longer manufacture warranty please contact us if you have questions about items.
To be eligible for a return, your item must be in the same condition that you received it, unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
To start a return, you can contact us at overthehilltractor@gmail.com. Please note that returns will need to be sent to the following address: 2005 Stuarts Draft Hwy, Stuarts Draft, VA 24477
If your return is accepted at damage or defective, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.
If your return is due to no longer needed, wrong size order, ordered by mistake, found better pricing, etc the customer is responsible for the return shipping cost.
Any item returned over $50 cost we suggest insurance on package.
You can always contact us for any return question at overthehilltractor@gmail.com.
Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, we can only give 72 hours from time package is scanned delivered to accept claims. Please contact within 72 hours of delivery so that we can evaluate the issue and make it right.
Exceptions / non-returnable items
Certain types of items cannot be returned, like fuel related items due to hazardous materials shipping regulations. We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item.
Electrical parts can only be returned if new and in original condition, Used electrical parts are not returnable unless actually defective, contact us with details.
Unfortunately, we cannot accept returns on sale items or gift cards.
Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method within 10 business days. Please remember it can take some time for your bank or credit card company to process and post the refund too.
If more than 15 business days have passed since we’ve approved your return, please contact us at overthehilltractor@gmail.com.
Most items are covered by 30 day warranty, Fuel Related parts are only covered against actually manufacture defect since the fuel produced today breaks down gaskets and seals quickly. Electrical parts can only be returned if new and in original condition, Used electrical parts are not returnable unless actually defective, contact us with details. Returns are handled on each individual item, some items will not require return for refund just that customer submit picture of proof of issue. Please contact us with questions about returns.

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Free Shipping
Free shipping on orders over $150
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