Shipping & Return Policy

Mugen Seiki Racing:


You can trust that your order will be quickly processed and safely delivered. 
Items in stock will typically ship out in 2-3 business days.

We ship orders Monday through Friday excluding holidays.

We can ship products anywhere in the United States via FEDEX or USPS.

Shipments to PO boxes will not be deliverable by FedEx Overnight, 2Day, Express Saver, or Ground. Only select USPS Priority Mail, USPS Express Mail, or FedEx Smartpost as your shipping option.  

Shipping Charges 

Our shipping charges are determined by the weight of your order, excluding applicable sales tax. 



Our goal is to ensure your complete satisfaction with your purchase. 

If you are dissatisfied with your order for any reason, you can return your items for a prompt refund or exchange. Refunds for items returned within 15 days of the purchase date will be credited in the full amount (excluding shipping charges) in the same form as the original payment type. Any claims for damaged order or missing items must be received within 2 business days of receipt of package.

Before returning your package you need to contact Mugen Seiki Racing to receive a Return Authorization Number (number to be placed on returning package). Please contact us by calling (949)707-5607 or e-mail:

In case following conditions are not met Mugen Seiki Racing reserves the right to charge 15% restocking fee or refuse the return. 

- Items must be returned for refund or exchange within 15 days of original purchase 
- Items and packaging must be received in new condition 
- Original packaging must not be damaged 
- Packaging must include all original items, manuals, etc. 
- Return Authorization Number must be clearly marked on the shipping box 
- Return package must include copy of the original invoice or sale receipt 

Please send your returns/exchanges to the below address with your Return Authorization Number and Original Invoice:

Mugen Seiki Racing, Ltd.
20525 Crescent Bay Drive
Lake Forest, CA 92630 


If you wish to cancel your order for any reason, please contact us as soon as possible to (949)707-5607. Orders can be cancelled if the order has not yet been shipped. Unfortunately, we are unable to cancel your order once it has been processed and shipped.