The new "pro solutions" Blow Thru mass air meter is specifically designed for ATI supercharged cars, however, it works great on any "blow thru" application. This meter was designed to replace the "univer" meters. They offer better idle quality and tuning capabilities and they are a fraction of the cost! These work great on any setup using a intercooler including turbo'd setups. This meter is made by Professional Mass Air Systems. This company is owned and run by the "ex" employees of Pro M "Best Products" this mass air meter for all practical purposes is a Pro M meter, however, It is now called a Professional Mass Air Systems Meter. PLEASE NOTE: THERE IS A 7 DAY TURNAROUND TIME ON THESE METERS. THEY ARE SPECIFICALLY CALIBRATED FOR YOUR SETUP!