Vette(s): 1975 metallic blue coupe with t-tops,L48, t/t steering, black leather interior. 1990 L98, white/red leather interior, auto,a/c
took the 90to inspection yesterday and it failed for emissions. the NO number was way high. i installed a new exhaust about 6 months ago. when i did i eliminated the precats, and installed a high flow catalytic converter.
from what i read now it appears i will be reinstalling the precats. was wondering if anyone could answer me this--- does the high flow converter do as much as a regular converter or should i install a regular one to pass the inspection?
thanks for any help.
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