How do I return an item?

Toxic Diesel guarantee’s that you are satisfied with your product purchase. You can return your unopened product purchased for a full refund excluding shipping. (Full refund is for in store credit only and may be used towards another product.) Returns must be made within 30 days AS LONG AS IT IS NEW AND UNUSED.

Price Match

We are more than happy to price match any quote! Quotes from unauthorized dealers, auction sites, phone quotes, any discounts will need to be verifiable and within the rules applied by the manufacturer. Exclusions may apply depending on manufacturers MAP limitations and terms. Price matching is done at the discretion of Toxic Diesel and is subject to the terms and conditions of current company policies.


Toxic Diesel LLC will not be held responsible for any damage created by any product, misuse of these products, improper install of these products, or misapplication of these products. By purchasing these products, you agree to not hold Toxic Diesel LLC responsible for any damage caused to your vehicle, its contents and any personal injury to you your occupants or any bystanders.

Disclaimer in Simpler Terms

Make sure you are installing the right product in your truck. These are performance parts designed to enhance your vehicle. When used or installed improperly they can ruin your motor and other parts on your vehicle or cause serious injury. Toxic Diesel LLC accepts no liability if you ruin your parts we sold to you or damage your vehicle with said parts.


Not all products require a core please refer to the information given for the product before you purchase. Core charges are paid for at the time of purchase and will be immediately refunded upon the inspection of said core. The charge varies by product. If you do not return your cores you will not receive your core charge back. Cores MUST be in a usable condition. Damaged cores will not receive a credit. *All CORES MUST BE RETURNED WITHIN 30 DAYS FOR CREDIT*

Method of Payment

We accept Visa, MasterCard, Discover, American Express, and Money Orders or Cashier’s Checks, in US funds only. All orders must be paid in full prior to shipment. Utah residents add 6.20% sales tax.

Domestic Shipping Only!

Free shipping on products over $50.00! Excludes oversized, overweight or expressed freight. All orders are shipped via UPS, which is normally the most reliable and least expensive method of shipment. UPS offers ground service, plus next day and second day, or third day service in the USA.

*Also, please allow additional time for customs, when applicable.

Customer Service

Our knowledgeable technicians are ready to answer questions about your order or our products. For tech assistance, call 1-866-488-6942 between 8 am and 6:00 pm Monday thru Friday, Mountain Standard Time, except major holidays. You may also contact us via email at for any questions or concerns.

Shipping Information

All orders in stock are shipped the same day, with the exception of holidays. Orders must be placed and credit card verified by 3:00 pm Eastern Time. All orders are shipped Ground Service by either UPS or Fed Ex, unless otherwise specified by the customer. We do not charge handling fees! Toxic Diesel is only responsible for shipment, not delivery. That means we will get to the shipping representative in new condition. We ship all merchandise complete and properly packaged any damaged items, lost items, or missing claims must be made with the carrier.

Free Shipping

FREE SHIPPING offers at Toxic Diesel includes free UPS Ground shipping in the lower continental USA or lower 48 states. For expedited shipping methods please call us at 1-866-488-6942. Or if you want to go ahead and place your order online and simply click you want next day or 2nd day air.
Delivery Times

Plan Ahead! Save $$$ - Give your order plenty of time. Ground Service changes are 75% less than expedited delivery services.

Normal Ground Service - estimated regional delivery times:
Eastern - 2 to 4 business days.
East Coast - 2 to 4 business days.
Central - 2 to 4 business days.
Mountain - 1 to 3 business days.
West Coast - 1 to 3 business days

Back Orders

Toxic Diesel attempts to manage its inventory levels to minimize back orders, but on occasion some merchandise will be out of stock or need to be special ordered, and will not be shipped with your order. You will be notified via email if this occurs. Unless otherwise cancelled by you, all backordered items will be shipped as soon as possible after they arrive in our distributor center. If you wish, you may instruct us to cancel all back orders or hold orders until complete.

Special Orders

Special orders, custom built items, or non-stocked items are non-returnable.

Canceled Orders

Canceled orders will be refunded minus credit card processing fees. If your item is on backorder and you wish to cancel you will receive a full refund. Otherwise, here is the processing fees you will be deducted on a cancelled order:

visa and mc = 5%
Discover = 6%
Amex = 7.5%
Paypal = You will receive your refund in full. Paypal does not charge us processing fees.

Cancellations are not accepted through email, fax, or voice-mail message. You must speak directly to a technical sales representative to have your order cancellation confirmed. All cancellations are subject to a 10% processing fee. Cancellation requests on items that have been shipped previous to the request are considered completed orders, and will be rejected. Some specialty items are not returnable/refundable/cancelable under any circumstances. Any situation out of the control of Toxic Diesel (weather, earthquakes, change of address, etc.) shall not be subject orders to cancellation or return.

Permission must be obtained prior to returning or exchanging merchandise. Please do not order parts that you do not intend to keep. Exchanges or credits will not be allowed later than 30 days after purchase. Installed or modified parts cannot be returned or exchanged. No refunds for shipping costs.

Defective items under warranty may be returned for replacement. All warranty packages must receive authorization from Toxic Diesel and be accompanied by a copy of the original invoice. The customer is responsible for all freight charges incurred with a warranty. All returns must be shipped to:

Toxic Diesel

473 South River Road #1-501
Saint George Utah, 84790

*** Items returned without authorization will be refused. It is the customer’s responsibility!