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Terms & Conditions

Product Availability

WPE prides itself on having products/parts In-Stock everyday to complete orders. However, back orders, build times, production issues, and delays in transit do occur. Due to these circumstances, real-time inventory numbers are not displayed on our website. If you would like to know a products exact availability please contact us via the contact form.

Special Order Policy

WPE will special order almost any product that is carried by our manufacturers and partners and will custom build just about any diesel performance part you require. To order non-stock, special order items, a pre-payment in full is required. Pre-payment is non-refundable/non-transferable, and special order items are non-cancellable/non-returnable. Manufacturers vary delivery time, so estimated times of arrivals are not guaranteed. Special order products are not listed on the website and must be purchased directly through contacting us.


Products on this website are designed, tested, and listed for mid-size diesel pick-up trucks unless otherwise noted. Many products will NOT work on E-series vans, Excursions, 4500/5500 series, F-450/550, heavy duty trucks, and motor home applications unless otherwise specified. If you have any questions about a product working for a specific application please contact us first, refunds will not be given for products installed or attempted to be install on the incorrect application. Please contact us if you're unsure or have any questions.

We believe all prices and information on our website to be accurate. Prices and information on the website can change without notice. Windrunner Performance Engineering reserves the right to completely refund your money in the event of a misprinted price. Windrunner Performance Engineering holds no responsibility for any damages incurred from the products we sell. Any warranties offered on the products are through the manufacturer, and not through Windrunner Performance Engineering, unless noted for WPE manufactured products.

The products on the website are after market performance products and accessories. Install and use these products at your own risk.