dont know if this is in the right place so sorry if its not , i had a forge split-r on my leon fr and i decided to put a collins dv on for a change but it seems that its lost power . . i have looked to see if a pipe has come off or anythin like that and i cant see anythin .could it be that im just thinking that its lost power .could it be anythin else ?? oh my car is standard apart from the dv and relocation pipe from forge sorry if this is a stupid question but its now bugging me