Ok, so here are my thoughts, and it's not because I'm trying to be cheap ( I have a full machine/ fab shop here) Remove factory mufflers, extract the cats, install the Dynojet Power commander 3 (find the right map) Re-install factory mufflers (now empty) and the K&N airbox eliminator. Do I need an 02 eliminator as well?
Gutting the stock pipes can be done , but I believe it is a lot of hassle and you can kiss goodbye to the chrome ! There are threads here that describe the job , more than one way to skin a cat , I believe is one of them ?
Better to find a set of tors on eBay and keep the stocks , which will improve resale value of the bike !
KnN just supply the pod filters and you will have to find your own way to connect in the AF sensor , altho this isn't hard , and a way to vent the crankcase !
The Ramair comes as a complete kit , with a boss for the AF sensor and an extension cable , plus a small pod filter for the crankcase breather . This system fits neatly under the bearclaw !
The power commander v comes with generic tunes which wont be ideal for your bike so you will need it programmed by a dyno tuner or / and add a power commander auto tune , referenced here as an AT .
This route gets expensive with the purchase of the Pcv , the AT plus finding a local dyno tuner and their fees .
Your best bet is the Tune ECU which is a free download from Google play store , the Lonelec interface cable and a laptop , thru which you can load tried and tested tunes from members here . Then , as and when you could have your bike tweaked on a dyno at a later date ! You will have to talk to others here regarding tuning as I am by no means a competent ! I use the Pcv and a dyno tuner but am currently learning the tune ecu myself !