ok im getting a atp bolt on gt3076r (was going to get the 3071 but i want to get a 2.5 block one of these days)any ways......i want to help with spool as much as possible. i was thinking of pnp my stock header and getting a grimspeed cross pipe will this be my best option because im probly going to do it anyways.......im doing the pnp my self. i looked on nasioc and could not find a DIY thread......any links to one would be amazing.... thanks