stealthmodeperformance.com for all the cheapest parts ie piping and intercooler. BOV you can get off of homemadeturbo.com and there is a guy xecron he does ecus for cheap w/ basemap. As far as HP numbers and that goes it is all on tuning. There is a guy on honda tech in the 500+hp range then the usual turbo D guy has around 160-250 whp.