Hi Guys. new to this forum, sorry if its a frequently asked q, i did try searching.
I got a 53 Plate GSi, starting to do a few mods on it now. I'v been browsin on here and noticed alot of people doing the 1.9 CDTI airbox conversion?
What gains does this give & also what panel filter goes in there then??
Any help is appriciated guys. Thanks