Originally Posted by Ænema
Stage 1+ yields more power than stage 2.
Or he could get catless DPs and run Stage 2+. I've asked about this a number of times and the consensus appears to be that so long as the climate is cool and the goal is to impress the butt dyno (ie: no track and no chance of high IATs) then stg 2+ runs just fine. But you DO need catless DPs for it.