Becks1818 Posted December 7, 2017 Share Posted December 7, 2017 Hey guys I am installing a 3" highflow cat onto my catless Invidia J pipe (returning the 2.5" highflow cat in my build thread). My question is : Where is the front O2 sensor located in relation to the cat on the stock J pipe? Is it in front or behind the cat? Need to know for when I weld the O2 bung onto the cat. Thank you. Sent from my SM-G930W8 using Tapatalk Link to comment Share on other sites More sharing options...
Shadow_419 Posted December 7, 2017 Share Posted December 7, 2017 Front O2 or A/F sensor is before cat rear O2 after cat. Link to comment Share on other sites More sharing options...
Becks1818 Posted December 7, 2017 Author Share Posted December 7, 2017 Front O2 or A/F sensor is before cat rear O2 after cat.Thank you sir! Sent from my SM-G930W8 using Tapatalk Link to comment Share on other sites More sharing options...
Shadow_419 Posted December 7, 2017 Share Posted December 7, 2017 Not the best picture but you can see both sensors http://i.imgur.com/1kDnnPO.jpg If you zoom into the cat on the floor in the background you get a better sense of bung placement http://i.imgur.com/KIeMHZh.jpg Link to comment Share on other sites More sharing options...
Becks1818 Posted December 8, 2017 Author Share Posted December 8, 2017 Not the best picture but you can see both sensors http://i.imgur.com/1kDnnPO.jpg If you zoom into the cat on the floor in the background you get a better sense of bung placement http://i.imgur.com/KIeMHZh.jpgAwesome buddy. Thanks a lot ! Sent from my SM-G930W8 using Tapatalk Link to comment Share on other sites More sharing options...
GTEASER Posted December 8, 2017 Share Posted December 8, 2017 It's right after the turbo flange before the cat. GTEASER's 2012 Legacy GT - Sold GTEASER's 2009 XTeaser - Sold GTEASER's 1992 Legacy SS - Sold Link to comment Share on other sites More sharing options...
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