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Madpugger

Downpipe q's

I got made a complete system from Niall hopefully get fitted new year, I noticed checking photos it has the 02 bung at the top where the pre cat should be but no bung for the rear 02, am I going to run issues not connecting this up, or is there a work around for plugging something in its place. Tried to get an answer on the forums but couldn't find one. Help would be appreciated
C J

What car are you fitting them too?
Only Rs4 and 2001.5 s4's have rear sensors.
Madpugger

Oh right it's for an s4 avant I would say 2000/1999 I just assumed I would have rear 02 sensors
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