here are several item i have been eyeing myself for several years, 1 even did a dyno on a 90-93 Q45, producing 276 hp and doing a 0-60 in 4.7 sec.....actually this japanese company holds the patent for this technology.
http://translate.google.com/tr...icial
http://translate.google.com/tr...icial
here is the dyno page, they even used my picture of the APC supercharged Dodge Caravan I transformed that i had on my website minivanracing.com LOL
http://translate.google.com/tr...icial
if your interested in this product cost is$500.00
also a new company similar product is now being advertised in Import car magazine, and being distributed ZERO1000
FreddyB