Mosselman Turbo Systems
This guy make turbo for Ti too.
MODEL 318 is/ti 16v
STANDARD 140 HP/6000 - 175 NM/4500
TURBOCHARGED 182 HP/6000 - 254 NM/4500
Boost developed as low as 1200 RPM
Up to 55% increase in torque
Air to air intercoolers
T25 Garrett Airesearch Turbochargers with integral, adjustable wastegate
Low boost (5.5 psi), no internal engine modifications required
Nodular cast iron exhaust manifolds with 35% nickel for long service life
Aeroquip oil lines, silicone hoses, black powder coated tubing
Complete Intercooler KIT
Engine noise reduced 2-3dB
BAD news: I called them last year.
They are not longer make anymore.