Advanced Tech Corner
I've got a 97 GS-R. I put on a Yonaka catback (from an ls. This is the issue) a while ago and have been running a 1320 UEL header with the telescopic test pipe. Fit up and worked out pretty good, I was told that a 4-2-1 header would be better to run. Also found out the UEL header can cause some...