some years may not be right but some i know of for sure...
won:
'99 altima se (fart can)
'97-'99 mazda 626 (intake/exhaust)
'04 f150 stx (auto)
'92 civic hatch(intake/exhaust/headers)
'05 neon sxt (exhaust)
'00 alero 2.4L(intake/headers/exhaust)
'01 hyundai elantra (intake)
'95-'97 integra ls (intake/exhaust/auto)
'99 mazda protoge(stock
) this one was sad...lol
lost:
'97 prelude (intake/exhaust/headers/cams...etc)
'99 accord v6
srt-4 (just wanted to see it go)
'05 neon sxt (exhaust)
'02 mustang gt (shits and giggles)
there's been more wins/loses but these are all my friends rides so i know what they have... and most of the races were on backroads...