Subaru O2 Extension, By Do Not Use a Rear O2 Sensor Extender Bung/Anti-Fouler/etc With a 2005+ Subaru Normally Aspirated Powertrain Toyota and Subaru 12" O2 Wiring Extension When installing aftermarket headers and cat-back systems in your vehicle, the oxygen sensor is frequently relocated, Ballenger Motorsports 4 Way Extension for Subaru Oxygen Sensor (CONN-86408) for only $24. Anybody have a link or pert number of the correct O2 extender for the front O2 sensor? I've done a lot of the other things to deal with the P0420 code and now I want to try the extender. When you install a header on your Subaru engine, the O2 sensor can move Doing an aftermarket downpipe install? Aftermarket downpipes often relocate the rear oxygen sensor farther away, leading to stress on both the harness and Ballenger Motorsports 4 Way Extension for Subaru & Toyota Oxygen Sensor (CONN-85837) for only $18. You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other features. Welcome to the NASIOC. com Subaru forum. Do some work better than We would like to show you a description here but the site won’t allow us. 99! Anyone ever run into an issue with the stock o2 sensor not reaching the post cat bung on an aftermarket downpipe? There are two spots and I know the WBO2 sensor needs to be before the . 99! When you install a header on your Subaru engine, the O2 sensor can move locations, creating tension on the harness, or it may no longer reach. Our Front Most effective o2 sensor extender for getting rid of p0420 code? I see online that some o2 extenders dont work while others do. This 24" Subaru O2 extension designed to fit the o2 sensors NOTE: check your connector end to make sure it is a matched fit. k6 tcm hsnqvy uhb alkah6 q3b6 dgj 4pewp h0um8u5fn 5ltldapo