I have a 2000reg BRG mini cooper and 10000miles on the clock with a late sportspack and these mods:
Straight through exhaust system from maniflow manifold to twin dtm back box.
Ultralites 7x13 polished rims with yokohama A539 tyres.
Sony head unit and 2x 500W 6x9 speakers off an Amp.
All round clear lenses.
Lowered steering wheel.