boost response and two adjustable boost levels, plus the best bang for your buck in
horsepower upgrades! Turbosmart dual stage boost controllers are built for precision and
durability from high-grade brass and billet aluminum. They offer a robust design and a
detent adjustment system for accurate and simple boost tuning. They also include a
Rocket Launcher switch to toggle between high and low boost on the fly! These manual
boost controllers are ideal for mildly modified turbocharged engines and are perfect for
increasing boost levels on factory turbo cars and engines. Control the boost on two levels
with Turbosmart dual stage boost controllers.