Overrun Boost - Upgrade License Code - M84 ONLY
Enables boost control to reduce turbo lag and improve throttle response in tight and twisty stages for turbocharged cars, specifically in rally events. **Note** This option included with advanced features.
Please note: Enter your serial number carefully. Once a code has been issued, it cannot be returned or refunded for any reason (including erroneous serial number entry).
Your code will be sent via email once the transaction has been completed.
Codes are only issued during normal business hours (M-F 8am to 5pm PST) so if you need a code for a weekend event please enter your order during the week so we can get it to you on time.