You Can See My Setup ,after I Put On The A/w Intercooler I Lost Some Ass .so Ive Decided Too Take The Plunge .my Factory Pulley On My S/c Is A 3.33 And Its Supposed To Be 5-7 Psi .so I Ordered A 2.87 Pulley Today Says Itl Get Me 4 Lbs Of Boost Im Thinking Then Ill Be At 10 .my ? Is Does That Sound Right And Is There Any Bewares About Using A Smaller Pulley W/ 10 Psi Of Boost.is My Tune Safe Set For Now Til I Get Upgrade Or Should I Get Upgrade Bfore I Put It On ,what Are The Repercussions Of Using A Smaller Pulley .problems Etc.im Told 10 11 Boost Is Safe But I Want Too Ask The Pros.any Input At All Will Be Appreciated.expierance Is The Best Way Too Find Out .and This Is The Place.thanks