tip = turbo inlet pipe, from the airbox/maf to the turbo. the oem is restrictive. have a look for forge tip on google.
4 bar fpr is 4 bar fuel preesure regulator, oem is 3 bar, 4 bar for extra fuelling
fmic. front mount intercooler, lc has 1 side mount, lcr has 2 side mount intercoolers. fmnic allows greater cool air flow
have a good search on this forum for the above abbreviations... wealth of info