NG900 & OG9-3 Performance, Mods & Tuning
I have posted this on the tuning forum but am not getting any help, so thought I would ask here.
I have finished a few upgrades and could use some help with the tune.
99 9-3 base automatic
Straight pipe catless 2' 1/2" turbo back,
Upgraded to Td04 Fresh rebuild...