You might loose a little bit of boost, but not as much as an X pipe. You have a pulley and a tune, so it will benefit you for sure, since you are pushing quite a bit of boost. Get the catted version if you are worrieed about boost lose.
Nino must be working a better deal than $100.00 off!!!
Nino, how abou having MRT give a high volume discount beyond the wholesale price?