It is recommended for any significant modifications to maximize performance and prevent engine damage.

Timing can vary from 2-6+ hours depending on car, modifications and/or if there are any issues.

Arrive with at least a half to full tank of the specific fuel you want to be tuned for. Example- 92/93 octane or E85

Yes, you will be required to sign a liability waiver acknowledging the inherent risks of high-stress performance testing

Most vehicles see improved throttle response, more mid-range power, and better fuel efficiency. Turbocharged and supercharged cars often see the most significant horsepower increases.