good pm guys
pa advise naman po
i do have ph16 vtec and gusto i upgrade ng konte ung engine
mechanic advised to upgrade box / camgear / headers

unahin ko sana 421 headers and camgear
will there be a significant diff. if nag upgrade ako nang ito munang 2?

or mag ipon ng sabay2 na lang

aabutin daw ng 30k lahat pati ung box

salamat po