Terms and Conditions of Use



By purchasing from us online or in store at STM Tuned Inc., you agree to abide by our stated Terms, Conditions, Rates and Policies. Any new revisions or updates will be prominently displayed here on this page.

If you have any questions or concerns, as always, feel free to contact us.


When your order ships, you will receive a tracking number sent to the email you provided when checking out. Most orders will ship within 1-7 business days. If you have not received your tracking number after 7 days, feel free to call us for a status.

Some items may be on back order from the manufacturer. If this is a significant delay, we will contact you. Many of the items we sell are USA-Made, fabricated, one of a kind masterpieces. If the item is not on the shelf, please allow 1-5 weeks time as they are being made to order just for you! Please allow 1-6 weeks for JDM Mitsubishi items.


95% of our shipping rates will calculate fairly by location and weight, but we have noticed that for large items such as tires, engines or hoods, the shipping options may be underpriced or overpriced especially shipping out of the USA. We are more than happy to work with you and create a custom shipping rate if you would rather order by phone.

Our shipping options automatically populate "Overnight Shipping." PLEASE NOTE that not every product may be in stock at any given time. When all your items ARE in stock and available to ship, we will ship via your selected shipping method.

Most items are available to ship within 1-5 days.

Fabricated items such as manifolds, turbo kits and exhausts may take from 1-4 weeks to complete as they are being hand-built just for you!

Items sent for custom powder-coating or ceramic-coating will also add 1-2 weeks on average.

For International Orders outside the United States of America, the customer is 100% responsible for any customs, duties, declarations, taxes or brokerage fees associated with the delivery. If the customer refuses the acceptance of the package and it it returned to STM, we reserve the right to deduct all shipping fees and charges associated with the loss from your product refund.

Orders shipping to New York State will incur an unavoidable state tax.

Seibon Carbon has specific regulations regarding the acceptance of their products upon delivery: Seibon Terms and Conditions.


Most of the products STM sells offer their own manufacturer warranty. STM will only warranty eligible STM products. For a direct product warranty claim, please contact the manufacturer for full details on coverage.

STM offers a Lifetime Warranty on STM Parts to the original purchaser against manufacturing defects.
STM Aluminum Exhaust Systems have no warranty.

Forced Performance Company Policy: All sales are final, only exception for cases where the wrong items were shipped. Any other cases where return is approved are subject to 20% restocking fee and goods are subject to inspection and approval prior to refund. Please refer to FP's Terms and Conditions.

Seibon Carbon: Please carefully inspect any Seibon piece before accepting delivery. Do not sign until you've fully inspected the contents. Please refer to Seibon's Terms and Conditions.


We reserve the right to cancel any order for any reason if the threat of fraud is tagged by our system. If we feel an order may be fraudulent, we will cancel the order and refund the payment. If this does happen and you are not an evil robot, please feel free to give us a call and order by phone.

Please do not share your login information or password with other people. If your account is illegitimately used to redeem reward points, STM will not be responsible for the loss of them.


Some products and manufacturers have strict pricing policies and are excluded from any discount codes. You may still apply your STM Boost Reward Points.

Products excluded from discount codes:
AEM
ACT
STM Turbo Kits


Not all items may be in stock at the time of purchase and may take extra time for shipping. Any and all prices are subject to change without notice. Some items and products are for race and track use only and may be illegal to run on your local streets. Please check all your local laws before purchase. Many items are designed to increase the power of your vehicle and it is your choice to modify your car. STM is not responsible for any damages that may incur from all that boost. Drive safe!

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