If you live in Houston I would contact Steve Kinzer at Mr. Turbo. www.mrturbo.com
Kit not currently available but I am sure he can come up with something. Also www.drturbo.com
sales systems as well.
I do not know for sure but I have heard rumors that the X motor does not hold together well with boost, can't back that up, just what I have heard.
03' 1800C, Black. Aeromach 6" Risers, Custom luggage rack/sissybar powder coated black(Sweeet), V&H Bigshots , Black Powdercoated Rims, Corbin Fairing, Ground Fix, Thunder Tornado (Black), PCIII (USB) Kury Grips & Levers, LaMonster Bullet End Caps, Show Chrome Resovoir Caps, Ultimate Bigboy, Complete Desmog, Kewlmetal Clutch.