V8 Rear Diffuser — Performance-Tuned Aerodynamics for 2007-2012 R8 V8 Coupes & Spyders
The V8 Rear Diffuser is specifically engineered for Gen 1 R8 V8 models, delivering genuine aerodynamic performance tailored to V8 powerplants and chassis dynamics. This is engineered performance—not a universal part.
V8-Specific Engineering
The V8 R8 has different aerodynamic requirements and chassis characteristics than V10 versions. This diffuser is tuned specifically for V8 models, with optimized pressure zones and tunnel geometry matched to V8 airflow patterns. 100% genuine carbon fiber with aerospace-grade UV-protective clear coat.
Performance Aerodynamics
Premium diffuser profile generates measurable downforce at all speeds. Improves rear-end stability during hard acceleration and track driving. Results include better traction during launches and improved grip in aggressive cornering. V8 owners report noticeable chassis balance improvements.
Installation & Fitment
Direct bolt-on with factory mounting points. All hardware and installation guides included. Installation takes 2-3 hours for DIYers; professional installation 4-5 hours. Pre-fitted and ready to install. Fits all 2007-2012 R8 V8 coupes and Spyders.
Build Your Complete Aero System
This diffuser is the rear foundation of a complete aerodynamic package. Pair with V8-specific front splitters and side skirts. Combine with our complete styling kits for maximum visual and performance impact.
Free Shipping Within Domestic USA: We offer free shipping on select products within the domestic USA. For all other products, a flat-rate shipping fee of $350 will be applied during checkout.
Worldwide Shipping: We proudly provide international shipping. For inquiries regarding international shipping rates, please submit an inquiry here.
Additional Charges for Certain Locations: Shipments to Hawaii, Alaska, Puerto Rico, or any country outside of the United States may incur additional shipping charges. If you have any questions regarding shipping fees for destinations outside the lower 48 states, please do not hesitate to contact us.
Note on Shipping Costs: Please be aware that actual shipping charges may vary based on location and other factors. In the rare event of a change in shipping costs, one of our dedicated sales representatives will promptly get in touch with you to provide clarification.
Payment Processing: To ensure the fastest turnaround time, we recommend checking out using credit card/debit payments. Please note that all credit card/debit payments may take 2-3 business days to process. For PayPal payments it can take up to 21 days to process we recommend using credit/debit for faster processing time.
Tracking Information: We will promptly email you tracking information as soon as it becomes available. Typically, packages are shipped within 7-10 business days.
Shipping Process: We make every effort to ship products as swiftly as possible. However, it's important to note that many of our products are special orders and are manufactured upon receiving your order.
Inspection Upon Delivery: We kindly request that buyers thoroughly inspect both the packaging and the products upon delivery. In the presence of the delivery driver, please either accept or deny the shipment. If necessary, please make note of any damages or irregularities, such as crushed, torn, punctured, or broken parts, on both the packaging and the product, on the freight bill or receipt.
Non-Refundable Charges: Shipping charges, installation costs, and handling fees are non-refundable under any circumstances.
International Customers: International customers are responsible for all applicable taxes and/or duties. Please note that international orders can only be returned or exchanged in the case of a defective item or an error on our part.
CALL (800) 221-4985, email support@autobunch.com, or submit an inquiry here for any questions you may have.