Originally Posted by
95coBraSVT
If it is stricktly for the track, then you may loose a bit of bottom end, but the top end will do better. I've run both ways at the track before. I dropped 2 tenths off my times by running open headers. To me, it's not worth the added hearing loss. Just my .02
I dont think I need a full exhaust though, maybe an h pipe into glass packs?