Terms of use

By entering www.markskituning.com and browsing you accept the following terms and conditions.

All the content on this site is the sole property of Markski tuning,Inc. That includes all logos, text, service marks, graphics, Images, video clips , audio clips ,software, and is protected by US and international copyrights. All other trademarks not owned by Markski tuning that appear on this site are the property of their respective owners.


Markski tuning is not affiliated, nor an agent, in any way shape or form, with Porsche® of North America. Therefore, any images used on this site that refer to a specific car model is either a image of a Markski tuning owned vehicle or a image supplied by one of our clients. Markski tuning does not sell any Porsche ®vehicles nor does it sell specific structural oem parts for such brand. Markski tuning sells custom made parts exclusive to Markski tuning, inc. for specific Vehicles including Porsche® 993 turbo , 996 turbo®, 997 turbo®, and 991 turbo®.  Markski tuning does not in any way state that it is affiliated with Porsche®of North America nor does it make any claim to ownership of these trademark images. In order to sell Markski tuning products for the Porsche® brand vehicles, it is only used as a navigation tool for the end user client.

Typographical Errors

In the event there is a incorrect price listed on any item, Markski tuning reserves the the right to cancel such order even if the credit card was charged. In such a case, the credit card holder will be refunded the full amount of the incorrect price.

Warranty and Refunds Disclaimer

All non Markski tuning products come with warranty specified by the product manufacturer. Markski tuning does not extent any other warranty be it expressed or implied on such items. Markski tuning products in most cases are custom made per order and are not returnable. We reserve the right to accept any such product at our discretion on a per case basis. In an event our Markski tuning product fails due to material failure and or marksmanship, we will fix the item or replacement will be sent. This excludes items that have been improperly installed. In an event the end user misuses the product and or damages it, all warranties are voided. This limited warranty is for 1 year from the date of purchase. Items that have sign of installation or any material alteration are not returnable. In the event a return is authorized, shipping to and from the client along with any credit card fees will deducted from the refund.

Limitation of Liability

Markski tuning shall not be liable for any direct or consequential damage caused to the vehicle by the performance of the products on this site. We strongly suggest proper installation by a professional on all after market and oem parts. In some cases, parts on this site are for off road use only. Please be aware of your local emission laws as some products sold are for OFF ROAD USE ONLY.

Payment Terms

Markski tuning accepts credit cards, Paypal, cleared checks, Cashier Checks, Money Orders, and Bank Transfers. In some instances we reserve the right to require the client to produce further identification and verify billing and shipping addresses.

Returns and Cancellations

All returns on non Markski tuning products are directed to the manufacturers return policy. Some manufacturers do not honor any returns meanwhile others requires a restocking fee. Each case will be determined individually. Custom ordered parts are not returnable. Markski tuning parts such as exhausts , Intercoolers, intakes, y pipes , fuel systems, headers, turbos, etc. are not returnable unless an exception is made on a case per case basis. These parts are custom made per order and in most cases cannot be resold, therefore these parts are sold “as is ” and are not returnable.