pipe and intake??????

[honda450rpower]

i want to get my dad a new pipe and redo his intake so that it runs a filter without a lid i saw a k and n in a mag but lost the mag does neone know what im talkin about...... as far as pipes im lookin at fmf 4.1 with high flo ss header or the big gun pipe and header which one is better, more powerfull or is there something better, more powerfull for an 05 troy lee edition and i will rejet the quad i am also thinking about hot cams for it to but which ones....he likes to ride track, trails, and a lil drag but mostly track and trails.... can anyone help me out its for his b-day and fathers day

[The Outlaw]

The ProDesign K&N Intake and a HMF pipe it will give it alot more power with it being jetted...With this Intake you remove the lid and can run it with the bottom air box only.

[katch26]

I bought the rath intake for my 05
http://store.rathracing.com/index.cf...ategory_ID=405