Air Intake Modification - Passport

Finished my Honda this weekend. Put my life on hold to get it done. Finally!!! Did a removal/reinstallation of new rocker shafts and a complete
cleaning of the hydraulic lash adjusters (lifters). New belts throughout, including timing belt, and new gaskets all around. New thermostat, vacuum piping, fuel lines, et cetera.
Put the car all back together, started her up, and the damned thing works great. No more clicking sound from the left side as before.
While inside the car, I decided to replace my stock air filter canister with an after-market tube which goes "straight" into the throttle body, the kind with the kickass looking filter on the outside, to draw more cold air into the engine. Car sounds tight when started and seems to choke down fine. Really happy with the results.
The question is, I've seen some of those MOD chips out there that promise a 20+HP increase by fooling the computer into thinking that more cold air is entering the throttle body and thereby advances the timing to compensate for same. Now that I have installed this new air intake, is there also the need for this MOD chip in order to "tell" the computer whhat I have done vis-a-via the intake? Or does it already know?
Has anyone else installed one of these MOD chips into their vehicles? And, if so, what have been the results of the installation?
Thanks in advance.
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