Utilizing a uniquely engineered ball/spring mechanism combine with an adjustable bleed valve, the High Performance Boost Controller allows you to spool your turbo to full boost up to hundreds of RPM faster than stock! The adjustable bleed mechanism lets you minimize the massive boost spike that can occur with poorly designed ball/spring manual boost controllers. Notes: High Performance Boost Controller : : : : : : : : : : : : : : Item images may be generic stock images, not vehicle specific. Powered by Solid Commerce The All-in-One Listing, Inventory & Order Management Solution.The item "Turbo XS Boost Controller High Performance (BC-HPBC) UNIVERSAL" is in sale since Monday, February 22, 2016. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Turbos, Nitrous, Superchargers\Turbo Chargers & Parts". The seller is "fsquaredperformance" and is located in Hatfield, Pennsylvania. This item can be shipped worldwide.