not long ago sold ours, you deffo need better brakes for them, and 4x4 cossie ones go on without too much bother
also had H&R coilovers on it, again made a good difference to the handling, not that it was bad as std, they just soooo badly need lowering!
also had a K&N filter and a full piper exhausts 4-2-1 manifold, sport cat and system on it. that made for a very revvy engine and added a fair bit of poke too.
dont know what the power limit in first is about? ours didnt seem to drop the power if launched in 1st? was a 98 r reg tho.
out of the cars ive got rid of so far, the puma is the one missed the most, was such a laugh and could be thrown about like a cheap hooker