All products carry the manufacturer's warranty, which varies on a per-product basis. If customer wishes to return a product for a manufacturers warranty, customer must first contact us at (626) 810-8100 and get an RMA#. Then, customer must ship it back to us at: SPEED FACTORY 18541 E. VALLEY BLVD. LA PUENTE, CA 91744 The Returning Shipping charged will not be responsible of Speed Factory. Once Speed Factory receives the product, Speed Factory will ship it to the manufacturer. The credit from customer’s returned product can take from 2 weeks to 3 months depending on the manufacturer. If the manufacturer approves the defect and warranties the product, customer will have the option to either have the credit applied to customer’s card or receive a new undamaged product of equal value. If customer cannot wait for this credit and need a replacement part immediately, customer may at any time purchase an identical product from us. Speed Factory will not ship a replacement part unless payment for the part is collected or a credit from the manufacturer has been received. Once the credit has been received from the manufacturer, it will be applied to customer’s credit card minus shipping charges paid by Speed Factory.