here it is right out of the SE catalog
Street Tuner Super Tuner
street-use (ePa/carB) calibrations Yes – Stage 1 & 2 No
se Pro (race-use only) calibrations No Yes – Stage 1,2,3 & 4
retains full engine Warranty Yes No
Vin controlled calibrations Yes No
tuning constants:
Air Fuel Ratio Tunable Tunable
Throttle Position View Only Tunable
Spark Advance View Only Tunable
RPM Max View Only Tunable
Idle RPM View Only Tunable
Accel Enrichment View Only Tunable
Decel Enrichment View Only Tunable
Data recording 15 minutes 15 minutes
smart tune feature Yes Yes
graphical Data Display Yes Yes
service codes Display/cleaR Yes Yes
available for Vrsc Xl & Xr models No Yes
international calibrations/compatible No Yes
language support English Only English, Spanish
– German, French
– Japanese, Italian
– Portuguese, Dutch
Unless you get it in writing from the dealer the only VCI you can use without voiding the warranty is the SEStreet Perfomance Tuner