Take full control of your boost levels with the Mishimoto Manual Boost Controller. Constructed from high quality 6061 anodized aluminum and stainless-steel, this boost controller is sure to withstand the harshest of environments in your engine bay. The anodized aluminum body and stainless-steel internal components are designed to provide you a lifetime of service. Utilizing a stainless-steel ball-style detent system will ensure that your boost level is consistent and stays exactly where you set it. Easily adjust boost levels from under the hood with the turn of a knob with no additional tools needed. The knurled stainless steel adjustment knob makes it quick and easy to adjust. The Mishimoto Manual Boost controller is easy to install and offers an affordable solution to get better turbo response and increased boost levels.