my suggestion would be to buy the bms intake its the best one for our car right now. the company rally races a reno and spent tons of hours on cad designs and testing to find the best matierial and design for the intake and plenum. that guys sites are gone iv looked before. i just looked now and found that the domains have expired but..... i found an email for the guy. maybe its still active. here it is!! email
scottbradley@yahoo.com
let me know what you find out.