KLM Performance Terms and Conditions For All Orders.

KLM Performance Inc. presents this eCommerce store, with specific terms and conditions which portray vital product information. We present this information to inform you the customer of the specific terms and conditions that apply to your product order. You must enter the correct billing address for your order as the shipping address for the order you are placing online to be processed. KLM Performance requires you to read the terms and conditions presented in order to complete the transaction. For the order to be processed we require our customers to check that the Terms and Conditions presented on this website are acceptable.

If you have any questions regarding the terms and conditions posted please fell free to contact us for more information.

KLM Performance Custom Made Order Policy


All products listed and presented as a custom made order are a final sale and non-refundable. Custom made orders require additional time for production and testing. Custom made orders are labeled with estimated production times as these items are made to order. The production of a Custom made order usually occurs within the stated times for each product. The stated production time is only an estimate and additional time requirements may occur before shipment. A custom order is an order which is not a stocked item and must be produced from the specification and or options chosen by you the customer. A custom order is a new item that is built to meet the customer's exact specifications. This new design may need to have modifications and adjustments done to the subject to allow for the best functionality or composition of the article ordered. The customer when ordering custom-made products from the KLM Performance understands and provides for the required time stated of custom-made products. KLM Performance will do its best to maintain the stated timelines; however, if a specific part is currently out of stock, additional time may be required to produce your order. KLM Performance is not responsible for delays in production or in the shipping of any custom made or particular order. KLM Performance will track your order from the beginning and will advise you as to the status of your order. KLM Performance does not provide a refund on custom-made products. Once A Custom Made product enters production, the request cannot be canceled.

Items offered as a Custom Made product with a color choice are listed with a variety of available colors. KLM Performance Does Not Guarantee the Buyers Expectation of what the chosen color is perceived to be. The color chosen by you the customer is the color that will be delivered. Color choices are not debatable or open to interpretation.

If you do not understand, please contact us so that we can assist you with the terminology. All Custom Made products are built to the specifications stated on the product page. These specifications are not debate-able, subject to interpretation or open to discussion based upon how you feel the Custom Made product should be built or installed. If you do not agree with any of this information regarding the purchase of a custom made to order product please don't order it.

Please Contact Us if you have any questions regarding a Custom Made product before ordering.

Order Cancellation Policy

KLM Performance Order Termination Policy:

Any order cancellation MUST be handled via phone due to the unreliability of emails. 

If your order has already shipped, you will be responsible for all shipping costs and any other cost associated with your order.

If your order has begun production we are unable to cancel the order.

If you refuse delivery of an order that has been shipped, you will be responsible for any and all shipping costs associated with the order.

Any product order which is a Cummins Product, Custom Made Product, Final Sale, Garage Sale or an Electrical Component is a Non-Returnable Item.

Shipments refused by you the customer and returned to KLM Performance will automatically be charged a 20% restocking fee.

Only the amount of the merchandise will be refunded to your credit card, minus the applicable shipping costs and the restocking fee. 

Core Return Policy

KLM Performance Core Returns

The Core Charge credit returns will be accepted within 30 days of original purchase. After 45 days core credit refunds will be at the discretion of KLM Performance Inc.

To return your product core for credit, first drain all fluids, if any, from the product. Then fill out the Contact Us Form by referencing your order. KLM Performance will email you with an RMA number and detailed return instructions. Please wait for shipping instructions before shipping out your cores. Your core may be sent directly back to the manufacturer.

KLM Performance recommends using a carrier that provides package tracking to ensure your product gets back safely and quickly. You will not be reimbursed for shipping costs incurred in shipping the core.

The credit card used for the purchase of the product giving rise to the core return will be credited with the core's original invoiced value after inspection.

Cores that have been disassembled or have missing and or damaged components will not receive a core credit. The core you are returning must be complete and not missing any of its parts.

KLM Performance Inc. Privacy Policy

We can be reached via e-mail at info@klmperformance.com or you can reach us by telephone at 203-210-7200.

For each visitor to klmperformance.com, our Web server automatically recognizes only the consumer's IP address. We collect the e-mail addresses of those who communicate with us via e-mail, in addition to information volunteered by the consumer, such as survey information and site registrations.

If you do not want to receive e-mail from us in the future, please let us know by sending us an e-mail at the above address.

If you supply us with your postal address online and agree to be on our mailing list, you may receive periodic mailings from us with information on new products and services or upcoming events. If you do not wish to receive such mailings, please let us know by emailing the address above.

Persons who supply us with their telephone numbers online may receive telephone contact from us with information regarding new products and services or upcoming events. If you do not wish to receive such telephone calls, please let us know by sending us an e-mail at the above address.

From time to time, we may use customer information for new, unanticipated uses not previously disclosed in our privacy notice. If our information practices change at some point in the future, we will use for these new purposes only data collected from the time of the policy change forward.

Customers may prevent their information from being used for purposes other than those for which it was originally collected by e-mailing us at the above address.

Upon request, we provide site visitors with access to information that we have collected and that we maintain about them.

Upon request, we offer visitors the ability to have inaccuracies corrected in contact information. Consumers can have this information corrected by sending us an e-mail at the above address, or, in the case of klmperformance.com, can just log in to their accounts and manage their information.

On security: We have appropriate security measures in place in our physical facilities to protect against the loss, misuse or alteration of information that we have collected from you at our site.

If you feel that this site is not following its stated information policy, you may contact us at the above addresses or phone number.

Product Description and Pricing

We at KLM Performance Inc. make every attempt to ensure that the products description offered for sale on the Site are described and represented as accurately and as completely as possible. However, mistakes may occur and if there are errors, we reserve the right to correct and revise. Prices are subject to change. The prices payable are those prices in effect at the time of our acceptance of your offer and are in the currency presented on the Site. Unless otherwise indicated on the Site, prices for products and services do not include VAT, other taxes, delivery, export, or other charges.


If you are valued customer file a charge back against KLM Performance without notification you will be charged an automatic fee of $50.00. A copy of this Terms & Conditions sheet you have agreed to at checkout will be filed with your credit card company to justify this charge. You will be held responsible for all Attorneys fees and or costs associated with the collection of this debt. All Charge-Backs are reported to a collection agency. This will affect your credit! If you object to this notification please do not proceed with your order.

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