I live in Cincinnati Ohioyup they chuck it up on the rollers and test carbonsI dint know if i would pass with egr block off modbut passed cleaner then stock and thats with lower comperssion pistons as well....
Hahn,Wiseco,Eagle,MSD,TurboXsK&N,mopar,AEM,Greddy,Vortex,apexi and a bunch of other stuff..