Shipping & Returns

Items will be shipped ASAP VIA USPS, UPS, OR FED EX, under discretion of DSS. A return authorization must be obtained before returning a product. Any returns received without a return authorization number will not be processed. will not be responsible for unauthorized returns. Return Information and Criteria: Items must be returned within 14 days of the original invoice date. A 15% restocking fee applies to all returned unopened merchandise. Only unopened, unused merchandise allowed for return. If for some reason packaging or seal is broken, a refund cannot be given. Special circumstances will allow for opened merchandise to be returned at a restocking fee of 50%. A restocking fee may only be waived if the item qualifies for an exchange toward a purchase of a product of equal or greater value. All parts must be in new condition and contain all components or pieces. If part has been installed on the vehicle or has been used in any way the part cannot be returned. The item must be in the original packaging and the packaging must be in new condition. The packaging must be unmarked and in new condition. Do not write on the package. Some items are "Special Order" and therefore are non-returnable. Any orders including, but not limited to, special order items that are cancelled after the products have been ordered or built by the manufacturer, may also be subject to a 15% restocking fee if the order is eligible for cancellation. Diesel Speed Shop is not responsible for refund of freight charges. Diesel Speed Shop is not responsible for return freight. A Credit May NOT be Issued if: Product has been installed or is in used condition. Product is damaged (from installation, shipping or mishandling). Product is not in original packaging. Product is missing parts, manuals, warranty paperwork, etc. Product serial number is different than the serial number shipped to the buyer. Product is deemed not resalable upon inspection. Product was a special order, discontinued, clearance or closeout item. Electronic Items, including but not limited to, PMDs, FICMs, IDMs, ECMs, Engine Sensors, Performance Chips and Tuners are not eligible for a return for refund. If the item is thought to be defective please contact a customer service representative or view the Warranty Policy. Apparel, Accessories and Novelty items are not eligible for return or exchange. No Exceptions. Fuel Additive is not eligible for return or exchange. No Exceptions. If a Return is Denied: Products will be shipped back at the customer’s expense. Product shipment must be arranged within 10 business days of denial notice. If shipment is not arranged the items may be discarded.
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