leetdrv Posted April 29, 2021 Share Posted April 29, 2021 Is there a downpipe with 2 o2 bungs available for the automatic 05-09? Thanks! Link to comment Share on other sites More sharing options...
JJr Posted April 29, 2021 Share Posted April 29, 2021 Cobb 524212 Link to comment Share on other sites More sharing options...
leetdrv Posted April 29, 2021 Author Share Posted April 29, 2021 how about catless downpipes? Link to comment Share on other sites More sharing options...
dwmccauley01 Posted April 30, 2021 Share Posted April 30, 2021 Why would you need 2 o2 bugs for a catless? Rear really only monitors cat efficiency Sent from my SM-G970U using Tapatalk Link to comment Share on other sites More sharing options...
Max Capacity Posted April 30, 2021 Share Posted April 30, 2021 Most any exhaust shop can weld in another bung into any DP you buy. 305,600miles 5/2012 ej257 short block, 8/2011 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. (SOLD). CHECK your oil, these cars use it. Engine Build - Click Here Link to comment Share on other sites More sharing options...
leetdrv Posted May 1, 2021 Author Share Posted May 1, 2021 How about the Cobb 524220? is 524212 an older version, O2 before the cat? Link to comment Share on other sites More sharing options...
Pleides Posted May 2, 2021 Share Posted May 2, 2021 Your tuner will tune out any monitoring from the rear O2 sensor. Don't stress anything about it. The Cobb downpipe is high-quality and they have a pipe for the auto specifically. Link to comment Share on other sites More sharing options...
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