That is always a fun feeling as a adult....UPS is Santa!
No better way to learn than to try to do it yourself....search forums and I am sure you can find how-to guides....don't be scared man, this is how most of us learned! Heck I just tore apart a brand new WRX I got using these YouTube guides to install Dynamat...scary pulling panels all over a car with less than 500 miles. Used same guides to install a amp (using factory navigation deck) and how to get through firewall of WRX You said you have worked on cars before and bikes aren't that much different
Here I will help:
not sure if this applies to your bike, but a how-to on
TaylorMade Exhaust Install - Honda CBR 1000 RR - Part One
http://www.youtube.com/watch?v=lggFi2_1lGk
Part 2
http://www.youtube.com/watch?v=lXROHEi1dlE