oh and if anyone is wondering about that retarded you have to shave the valve reliefs in the pistons to accomidate for b20 vtec myth its false because like i said i decked the b16 head and have a super slim head gasket that itself raised comp .4:1 i just drove that bitch to reynolds and back tonight for the first test and tune friday. obviously i didnt run. im gonna drop the exhaust tomorrow im pretty shure the cats stopping all my exhaust and we will see if theres a diff.