It can be frequent that there's a limitation in the air movement sensor AFM/MAP within the 4B1 when hundreds far more air is being fed into the engine. This install kit includes a deal of four stainless-steel tall bungs which might be specifically made for use in individual port programs. https://garretthiif45556.blogdosaga.com/31316983/new-step-by-step-map-for-4b12-outlander-engine-for-sale