Put a Fram or some same as stock....all these people say that they got a hp gain.....? you put a motor like the 3.4 on the dyno, air intake is not the problem... I could sell most of the people here valve stems with glowie caps, and tell them a 12.25 hp increase will happen 50% happy 50% pissed......you bought a tacoma not a Ram Viper...... <img src="/forums/images/graemlins/smile.gif" alt="" />