The dealer I bought my H2 from is installing coolcharger system with full factory warranty
* Approximate rating - 450/horsepower 550/ ft.lbs.(@flywheel) torque vs. stock rating of 316/360!!!
http://www.dyno-proven.com/coolcharger.htm
http://www.nucar.com/inventory/detai...icle_id=H40122
I never drove it because I was afraid I would want it on mine.