so today i finally got around to fitting the last pipe of upgrading the boost pipes it was the TB to inter-cooler pipe and i also took the pancake off and changed the little one on there,so i got it all done took my car for a drive up the street than all of a sudden it started misfiring and lost power so i turned it off went into the shop than started it back up and it sounded the same. i checked all the pipes outside the shop and all was fine started it up and it was back to normal

anyone got and ideas what it could ov been cheers