Personally, if the flames and pops and bangs were a byproduct to say what exhaust i have installed or hi-flow cats or decats, then that's fine by me, but to intentionally seek out the aforementioned is not my kind of thing.
Ask this guy what he's got, I know he has a K1, but hearing all that chavvy static revving is :S
https://www.facebook.com/photo.php?v=10152849276055400&set=vb.566830399&type=3