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Enhance both the appearance and aerodynamic performance of your vehicle with this premium carbon fiber rear diffuser. Designed to work seamlessly with other aerodynamic components—including front splitters, side skirts, and rear wings—the diffuser helps optimize airflow beneath the vehicle to improve stability, increase downforce, and reduce aerodynamic drag at higher speeds.
As your vehicle moves forward, air traveling underneath the chassis accelerates before exiting into the low-pressure zone behind the vehicle. Without proper airflow management, this transition creates turbulence that can reduce aerodynamic efficiency and vehicle stability. The diffuser's carefully engineered fins and expansion channels guide the high-speed underbody airflow into the rear wake in a smooth, controlled manner. This minimizes turbulence while maintaining a lower-pressure area beneath the vehicle, resulting in increased rear-end grip and improved aerodynamic balance.
Whether you're carving through corners on the track or enjoying spirited driving on the street, the diffuser helps provide greater rear stability, improved handling characteristics, and increased driver confidence at speed. It also enhances the effectiveness of other aerodynamic upgrades by creating a more efficient flow of air across the entire underside of the vehicle.
Constructed from aerospace-grade pre-preg carbon fiber, this diffuser is manufactured using an advanced autoclave curing process that applies precise heat and pressure to produce a component with exceptional strength, rigidity, and an outstanding strength-to-weight ratio. This premium manufacturing method ensures consistent quality, precise fitment, and a flawless carbon fiber weave that delivers both performance and show-quality appearance.
Each diffuser is finished with a durable UV-resistant clear coat that protects the carbon fiber from fading, discoloration, and environmental exposure while maintaining a deep, high-gloss finish. The result is a lightweight, durable, and functional aerodynamic upgrade that delivers race-inspired styling with real-world performance benefits for enthusiasts who demand the best from their vehicle
Shipping
We utilize UPS, Fedex, and USPS for all of our shipping needs. Carrier choice is based upon availability and needs of the customer and is the sole discretion of PFYC. We always try to ship within 24 hours of order placement (do to the custom nature of some products, shipping within 24 hours is impossible, actual shipping time frames will be listed in the product description). Please keep in mind that some products such as Custom Fit Car Covers, Lloyds Floor Mats, Painted accessories, and Racemesh Products can take 3 -10 days to ship and are charged at time of order placement. Racemesh products take 4 weeks to ship as they are made to order.
Sometimes a product needs to be returned. Our goal is to make this process as painless as possible. If you receive a product that is incorrect, damaged or inferior, please contact us immediately so we can begin the returns process and make sure you receive what you ordered quickly. For all returns, you must receive a Return Merchandise Authorization (RMA) number.
When you send back an item you no longer want, you have two choices for getting credit, assuming you properly followed all guidelines for returns:
You've Changed Your Mind
If you have ordered and received an item from PFYC.com that you no longer want, please follow the directions in the Returning Items section below. Please note that you are responsible for return shipping, and we will not reimburse you for the original shipping cost.
Incorrect or Damaged Product
If you have received damaged merchandise or have received items that you did not order, please contact us by replying to your e-mail receipt, making sure to copy the contents of the receipt in your e-mail. Simply let us know the error or that the product was damaged, and we'll take care of it at no cost to you, including all shipping charges (up to the original amount you paid for shipping). We will wait to receive and inspect the originally-shipped product prior to shipping a replacement. If a product was damaged during shipping, you must retain all materials until the shipper (UPS, FEDEX, etc.) has had a chance to inspect the package, if they choose. Our policy is to replace damaged or incorrect products. If you choose not to accept a replacement, it is considered a regular return and subject to our return policy guidelines listed above.
Replacement Product
If we sent you something in error, and we send the correct item out but do not get the wrong one back within 10 business days, we will charge your credit card for the full amount of the replacement item or the incorrect item plus shipping, whichever is greater.
Warranty Replacement
If you feel a product you have purchased is defective or has failed under warranty, contact us. We will help determine the likelihood it is defective prior to your returning the product for inspection. This will save you time and money if there happens to be another reason for the problem you are having with the product. Once a product has been determined it may be defective and requires further inspection, we will instruct you as to your next course of action. This next step may vary depending on the guidelines set forth by the manufacturer. Shipping costs for returning parts for inspection and returning the part to you are usually your responsibility depending on the manufacturer and what their warranty policy is. More information can be found in our Customer Service section under the Product Warranties section.
Follow the steps below to return items that you no longer want:
If you have any questions about our return policy, please contact us.