Thank you man :)
Now I'm more excited to install it.
But I still have some concerns.
I don't live in the US, my corolla is not 1.8L 2ZR-FE, it's 1.6L 1ZR-FE (6 speed manual). But the Injen CAI, Borla exhaust and Weapon R headers which were meant for the US version, fitted my corolla perfectly...