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Frequently Asked Questions

The standard X Prime includes everything needed to prime your engine however it does operate on 12vdc.  You will need a 12vdc power supply to operate the primer, typically a 12vdc car car battery will do the job.  The AC power supply is a great addition to making the primer easier to use and ensures optimal power for proper operation.

Although we stock about 1,000,000 parts, some parts are still special order.  This pertains to parts that we do not stock but are still available or parts that are themselves custom "fit to order" parts.  A good example for this is custom thickness head gaskets.  You will normally be contacted before a special order is processed.  You may have the option to drop ship your order or wait for it to come in with our normally scheduled deliveries with that particular company.  Drop ships will be faster, however additional fees may apply.  Please contact us if you have any questions.

You should receive and email containing a link to your tracking information as soon as your order is shipped.  In addition, you can log onto your account and check your order status and tracking information there.

You should receive and email containing a link to your tracking information as soon as your order is shipped.  In addition, you can log onto your account and check your order status and tracking information there.

Orders place will usually remain in a processing state a few hours or until it has been reviewed.  Occasionally we will need to contact you to verify payment information or additional information about the availability of the parts you ordered.

Please contact us if you would like to carry the X Prime in your store, certain limitations and agreements apply.

Yes we do sponsor car clubs.  We offer additional discounts for group orders. Please contact us for details.

Yes, please contact us for shipping quotes prior to placing an order.  Shipping times to Australia are typically three to five weeks.

The site has been completely updated, as a result, some accounts were reset.  Please contact us if you are not able to gain access to the site.  You may also try to make a new account if requesting a new password does not work.

MDR Tuning is a Veteran owned company and we are happy to offer a military discount.  Please contact us regarding the parts you want and we will provide you with a coupon code for your discount.  Depending on the parts, usually a five to ten percent discount can be given.

Yes we do price match.  As a matter of fact, we can usually beat our competitors with pricing.  Please contact us for additinal pricing information.

Yes, if you see something on our Ebay store and you dont see it here, please contact us for a personal quote.

As long as the order is in stock and your order is placed before 1:00 PM we can overnight it to most locations.  Additional shipping charges will apply, please contact us if there is a part you need expedited.

Please contact us if you have an order you would like to return.  We will need to provide you with an RMA number and further information about your applicable refund, exchange, or store credit.

The X Prime was fully developed and produced by MDR Tuning is not available anywhere else.

MDR Tuning is solely an online retail distribution business and we are not currently operating with provisions for over the counter sales.  We do have experience with PCM/VCM tuning, engine building, and extensive vehicle tuning and modifications.  Feel free to contact us for advice or recommendations for your project.

The shipping quotes may not be accurate at times due to how quotes are generated from our shipping carriers.  This may be the case if you have several items in your cart.  Usually the shipping quotes are accurate, however if you suspect the price is too high, please contact us for verification or a new shipping quote.

The X Prime is currently shipping via USPS Priortiy shipping from our location in Germany.  Please allow up to 14 days before becoming concerned with its whereabouts.

Yes we do ship internationally, however we do not ship to third world contries - nor do we ship to shipping forwarders.  Please contact us to verify we will ship to your location.  

If your order is marked as pending, there may be additional information needed to complete the order, or the item may not be available.  Contact Us for further information.

All shipping times are based on business days, items are not shipped on holidays or weekends.

Within the continental United States, ground packages will be routed using the parcel service that can provide the most efficient and economical time in transit for your particular order.  For an additional charge, we can send orders via 1-, 2- or 3-Day Service, and by Truck Freight.

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