many people opt for the JDM ITR cat which pretty much bolts a whole JDM manufactured exhaust system together.
some people buy different types of cats (SMSP, xforce, catco, etc) and get flanges made...
i would recommend the 5zigen 4-2-1 header for the b-series engine in regards to bang for buck.
good low - mid range gains!
they can be had for cheap nowadays, there's a few on here..
considering...
Hit the nail on the head right there!
compared to how much a K20 goes for nowadays, a K24 is a better option for you! Extra displacement + some mild mods = win!
unsure if this will help
but i disconnected my battery over the weekend and once i connected my battery up again, i noticed that all my settings on my cd player reset.
Unsure if this answers your...