
Rear O2 sensor mod for all VW / Audi vehicles from 1996 through 2007
Rear O2 sensor mod, easy bolt-on kit installs inline with the rear 02 sensor on the 02 bung to prevent the CEL due to racepipes. Off road use only. This mod is only 90% effective as variation in rear 02 sensitivity varies from car to car. No Guarantees. Tested and works well on all VW / Audi vehicles from 1996 through 2007.
- VVW138 Audi A4/Passat (B5)
- VVW139 3" Cat delete Racing Downpipe
- VVW170 3.0" Downpipe Assembly for FWD 2.0T FSI Turbo
- VVW190 3" Stainless Cat Delete Upper Downpipe, Audi A4 B7 2.0T FSI