$3000-4000:
EIP's stage 2 turbo adds a fuel pump, fuel injectors and your choice of either a side- or front-mount intercooler system to its stage 1 kit. the package costs $3699 and should give you up to 195whp.
Kinetic's stage 2 turbo kit builds on stage 1 and increases power to around 185-190whp. It consists of all the same components of stage 1, but adds a front-mount intercooler to the mix.
The kit retails for $3450.
$5000-plus:
NGP Racing offers turn-key, 200whp-plus turbocharging kits. These are custom-built in-house, so the company requires your car to be physically present while work is carried out. However, they will return it ready to drive. Since labor costs are included and each kit can vary, the kit jumps into this price bracket. So, contact NGP for specific details.
'93-99 Mk3 2.0
While many of the parts listed apply to the Mk3 and Mk4 2.0, we found some which are exclusive to the Mk3 2.0:
Autotech sells engine kits that bump the displacement to 2.1 liters with 10.5:1 compression for $2800. It includes the crank, forged JE pistons, piston rings, wrist pins and clips, German main and rod bearings, head gasket, plus instructions.
The Bahn Brenner Motorsport twin-screw supercharger for the Mk3 costs $2900. Stage 1 should produce about 60% more power, and there are several stages. BBM also has a 16v head conversion for the 2.0.
EIP turbo kits come in two versions; both use a Turbonetics T3 turbocharger with a Tial 38mm wastegate, but stage 2 includes your choice of a side- or front-mount intercooler. Expect up to 196whp for the $2700 stage 1 and over 200whp for the $3500 stage 2.
The Kinetic Motorsport stage 1 turbo bolts on and retails at $2550. Using a T3/T4 hybrid turbo, it's supplied with C2 software and 42 lb/hr injectors to produce 160whp. For $3250, stage 2 includes an intercooler, pushing power past the 200whp barrier.
If you want to beef up the internals without changing compression, Techtonics has $675 forged pistons with rings that retain the stock 9.6:1 compression.
USRT sells an individual throttle body upgrade with billet aluminum extrusions, a cast aluminum sub-manifold and includes a high-flow fuel rail for $1500.
With the appropriate head and cam combo, USRT reports up to 170whp. It works with the factory injection system and OBD1 chips are under development. The company also reports it's developing a direct-fit Mk4 system to work with the factory engine management as well.