KLM Performance Inc. Inc. honors all manufacturer warranties. Any product purchased through KLM Performance Inc. that carries a manufacturer warranty is covered by the manufacturer of said product. If you have any questions regarding a product's guarantee, please feel free to contact us. Installed components which have failed, such as, turbo, injectors, injection pumps, etc., must be removed/shipped back to its manufacturer for inspection before replacement. KLM Performance Inc. is not responsible for the shipping costs incurred for warranty inspection or coverage. These shipping costs are the sole responsibility of you the customer.products to manufacturers for inspection or the return shipping to the end user. Any and or all expenses incurred for Labor are not covered by KLM Performance Inc. Manufacturers will only pay labor if stated in the manufacturer’s warranty policy coverage. Purchased products are available for warranty not return credit.