A K-series motor is much more mod friendly that our f-series motors. It's very easy to gain a noticable amount of power with bolt-on's on a k motor. Please do some research
As was posted before, an XK07 is a DEI immobilizer bypass for an alarm. IT IN NO WAY HELPS, IS ASSOCIATED WITH, OR SHOULD BE WIRED TO, YOUR VTEC SYSTEM. PERIOD.
Dude, if you want even more hp you have to do the mod then modify it as follows;
1. Buy a T-Piece fitting and splice it into the hose
2. Run another line from the T-Piece into the interior of the car
3. Fit a Brass tap to the end of the hose inside (the function of this will become apparent soon)
4. Fit a Boost Guage (important as you will need to know boost pressure)
5. Open the tap inside the car to appropriate V-TECH pressure (important note: do not exceed 10lb's of V-TECH!!)