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Old 11-23-2007, 01:24 AM   #44
Defiant Autospeed
Member#: 155450
Join Date: Jul 2007
Location: Austin/Beverly 2 of us now!
2007 FXT


Originally Posted by turbobuick6 View Post
whats needed to replace the downpipe on these cars with a catless
will i get a cel on or do they make sims for the o2 yet,

The mechanical o2 sensor fix is just 2 spark plug anti foulers screwed together with one drilled open a bit to fit the o2 sensor in it. As such it doesnt matter what year/make/engine you use.

As for the downpipe, until there is engine management out, you dont want to do a downpipe or you risk blowing the motor. Im not being overdramatic there.
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