1990 90 quattro 20v 2.3 exhaust

just purchased the beast and heard a wee blow from exhaust; on looking it appears that the front half is a different diamater pipe from rear!; also, when replacing worn o ring had to buy one from the 80 exhaust sytem! so..has someoneone put an 80 front(or rear) half exhaust on; can i ignorer the lamda sensors and cut out the cat?..any help[ appreciated....

Reply to
jakeydee
Loading thread data ...

Not sure on the size issue but the O2 sensor information is required by the ECU in order to manage fuel efficently so leave the CAT in.

Reply to
TonyJ

MotorsForum website is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.