All returns are subject to a 25% restocking fee. Please call to get written authorization before returning any item. Returns without written authorization will be refused. All products must be returned in unused, new condition and in the original packages. Lost packages are the responsibility of the carrier and a claim must be filed with them. In cases of lost shipments, at customer's request we will ship the product again and bill the customer. Upon notification from the carrier that the product has been located or notification that they were unable to locate the product and a credit has been issued to Full Line Exhaust, at that time we will issue a refund or credit. Refunds will be issued by the same method of payment used for the original purchase. Freight charges are non-refundable. No returns will be accepted after 30 days of sale.