no need for haynes. search for the helms online hosted by icelords. it's on many of the boards in pdf. magazines would help, but the forums are a great resource too. personally, i plan to boost after my next smog check in 2 years. hehe. swap or boost is a personal preference or you can do both. have fun modding, but do your homework first. i'm sure we can all admit that we've bought things we didn't want/need afterall. sometimes paying a lot and crying once is better than crying TWICE to fix a mistake. do it right the first time.