i have a modified 15yo import.
cage, seam welding, engine swap, power mods blah blah
i imported it last year under the 15 yo rule and plan on getting compliance soon.
i have done everything myself except for the intrusion bars.
most compliance places want you to put the car back to stock even if it was brought in under the old rule, i have found a shop that isn't to fussed.
i have still raised the susp, and removed the cage, aswell as putting a stock cat back system on and installed a full interior as the car had nothing inside it when it arrived, i'll probably also remove the boost controllerand do a few other litlle things like remove the stickers etc just to make it look a little bit less aggressive.
they are ok with the fact i have done the work myself, and have quoted me 600 to 700 to install the side intrusion bars and sign off on the engineer's cert.
however they also said they will be inspecting all of the work i have carried out myself and if it isn't up to scratch they will have to rectify what i have done.