K&N panel filter is the best filter wise find your local custom exhaust company and get a quote, I got a cat back system.with 3" tip back back 250 squid James
Toyota is your best bet mate NO motor factors sell them unfortanlty mine for my na cost £50 so can imagine same for your glanza Could also try id-workz James
I know so many people on the list and only us turned up Ohh well lol Maybe next.time will have a better turn out on the plus side at least some boost power turned up