Took my zed to a dyno day 2 years ago and found that there are little to negligible difference between expensive panel filter to cheap ones. The guy at the dyno kindly did 3 runs.
1st run with used Blueprint panel filter (less than £10 and about 3000 miles or less), 2nd run with brand new HKS hybrid panel filter (around £35), 3rd run without filter (in controlled condition hence minimum concern with foreign object). Turns out, there are only about 2-3bhp between them. Blueprint was the least BHP, without filter was the best. So in terms of performance, there are not difference but i suspect HKS will have better filtration but less restrictions compared to Blueprint.
Changing to other intakes will only benefit from nice intake sound when you put your foot down....and some disadvantage in BHP but i doubt you can really feel it as you are too busy enjoying the intake sound =)