Quote Originally Posted by scttydb411
manifold
wastegate (some turbo are internally gated and part of the turbo)
turbo
charge piping
silicone couplers
fmic
t-bolt clamps
oil feed and return lines kit
coolant lines (if the turbo is water cooled)
bov
injectors
resistorbox (if you're using peak and hold injectors)
chipped ecu
boost gauge (recommended, but not essential)
colder spark plugs (bkr7e at least)
vacuum line to connect bov, wastgate, and boost gauge.
I think an EGT gauge and a wide band O2 sensor and well as the boost gauge is a *must*. IF you want to protect your investment, also helps to diagnostic issues faster.