ATTN California & Canadian Residents! Due to California’s strict laws regarding emissions and diesel performance, we can’t ship using our usual means. If you are a California order, please allow 3-5 days to receive your tuner! Everyone Else! If you order a Smarty Tuner before 2PM, Pacific Time, you should receive your order the following business day. If your order does not get in before 2PM PST, it will ship the following business day and get there the following business day.