Return Policy

There are no returns on any ECU or electronics products. 

A 30 Day return policy for any applicable returns applies from the date ordered less a 35% re-stocking fee. 

We require a valid reason for your return.  All return requests can be sent to contact@sleepertuning.com

Please include the following in your email request: 

Name-Order number-Reason for return. (For quicker processing attach sales invoice and any photos that would apply/support the reason for your return)

Return Process

1. If your purchase qualifies for a return, you will be assigned an RMA (Return Authorization Form). We reserve the right to refuse any returns. 

2. Include in your package the filled out RMA form. Items without this form will not be accepted. 

Mail your return to:

Sleeper Tuning 

30 Albe Drive, Suite C

Newark, DE 19702

3. Item needs to be in its original packaging in new-unused condition and complete. 

4. Return will be sent back to the original payment method within 5-7 business days of receiving the item less any shipping/processing fees.

CANCELLATION POLICY

Cancellation of an existing order is subject to a 10% restocking fee.