TPC can rebuild and upgrade any BOSS turbo that utilizes the CTS casted housings.
The BOSS 700 is a GTX3076.
GTX3076 = 58 mm compressor X 55mm turbine
TPC available upgrades using the CTS housings are:
GTX3576 = 58mm compressor X 62mm turbine
GTX3582 = 62 X 62
TPC 6462 = 64 X 62
TPC 6466 = 64MM COMPRESSOR WHEEL X 66MM TURBINE
Yes all of these options are available for an affordable big turbo upgrade solution. The picture you see of the turbine wheels from left to right is a 55mm GT30, 62mm GT35 and a whopping 66mm turbine for the ones wanting allllll the sauce. Look no further as TPC has all the bases covered
Upgrades with rebuild starts at 1500$usd. Price does not include the turbo as you must supply your core for this upgrade.
Shop pricing available