You said you had an S200 in your other thread... :thinking:

The s200 will be plenty with the boost option.

Go back to your other thread and look at my setup. The only sensor you really need to replace is the MAP. If you really want to do street tuning on it then you would benefit from getting a wideband O2, but you'd need a lot of the hardware for the S200. Shmoo could tell you more about that as he tunes Crome regularly.

As for ignition, you don't really need a full-on ignition replacement. I ran nothing more than an external coil (MSD Blaster), Magnacor wires, and NGK 2-steps colder than stock plugs for my ignition. Never had a problem.

Also, the 3BAR is good up to 43.5113213 psi. I really don't think you'll be touching that.