Everything you need is included. I also purchased the 5bar MAP upgrade which is plug and play. Internal sensor will allow you to run up to 30psi, if you want to run more than that, you will need the 5bar MAP upgrade which includes the sensor. Have only been installed for the past 700ish miles. AEM TruBoost (30-4350) - $275 5bar MAP Upgrade (30-4351) - $175 Buy them both together - $425 shipped anywhere in lower 48.