evo factory throttle body effective bore is 60mm, Airtrek's as far as I can measure is 52mm. Tho I maybe inaccurate with the Airtrek's coz I just measured it without dismantling throttle body. =)
Hi guys... New cars with low-pressure turbo (LPT) especially the european ones have ever increasingly fuel efficiency and economy. They don't give much high end power compared to high-pressure turbos, but surely...