MKIII (1986.5-1992)
So after doing my swap/rebuild/ 550cc, Lex AFM, 57 Trim ct26, Driftmotion Downpipe and intercooler kit but with stock recirc, 3 inch straight pipe exhaust. I have had an idle issue and cant seem to find the issue. I know this is a common thing with the 550s and lex, but thought peoples cars at...