JonLGT Posted January 15, 2008 Share Posted January 15, 2008 I recently (about a month or so ago) installed a shorty downpipe on my LGT, it replaces the precat but utilizes the 2nd half of the stock pipe and cat. The other day I was driving and got a CEL, and had it pulled today. It ended up being a P0420:Cat inefficiency blah blah blah... My question is, the code is from the downpipe mod correct? Any hurt driving with it the way it is? Link to comment Share on other sites More sharing options...
JonLGT Posted January 15, 2008 Author Share Posted January 15, 2008 Nobody huh? Link to comment Share on other sites More sharing options...
GTTuner Posted January 15, 2008 Share Posted January 15, 2008 Your map is stock? You need stage 1 or 2 with that code disabled. Link to comment Share on other sites More sharing options...
rc0032 Posted January 15, 2008 Share Posted January 15, 2008 The answers are Probably and No. As GT said are you running any form of EM? Link to comment Share on other sites More sharing options...
Spec B Posted January 15, 2008 Share Posted January 15, 2008 More info here. http://www.legacygt.com/forums/showthread.php?t=78974 Link to comment Share on other sites More sharing options...
JonLGT Posted January 16, 2008 Author Share Posted January 16, 2008 No EM as of yet, my tuner is very busy. Link to comment Share on other sites More sharing options...
taskforcefreddy Posted January 16, 2008 Share Posted January 16, 2008 Get an Accessport brotha. Link to comment Share on other sites More sharing options...
GTTuner Posted January 16, 2008 Share Posted January 16, 2008 You can drive it without harming it. Link to comment Share on other sites More sharing options...
gtkinetic Posted January 18, 2008 Share Posted January 18, 2008 I have just installed a Greddy SP2 catback on my 05 wagon. Sounds great! I would like to get the Accessport and Cobb downpipe to take the car to stage 2. Has any one had any fitment issues with this downpipe/exhaust combo on a wagon? ie. the gasket/flange that connects the two. Thanks, gtkinetic Link to comment Share on other sites More sharing options...
qikslvr Posted January 18, 2008 Share Posted January 18, 2008 Search for the rear O2 sensor mod. You need to get a spark plug spacer to move your rear 02 sensor out of the exhaust stream a bit. I don't remember what the mod is called exactly, but someone shoud be able to nail it after reading this. Let's kick this pig! Link to comment Share on other sites More sharing options...
Spec B Posted January 18, 2008 Share Posted January 18, 2008 Defouler?? Link to comment Share on other sites More sharing options...
lucas569 Posted January 18, 2008 Share Posted January 18, 2008 yup costs like $3 at the autoparts store. Link to comment Share on other sites More sharing options...
lucas569 Posted January 18, 2008 Share Posted January 18, 2008 http://forums.evolutionm.net/showthread.php?t=215795 Link to comment Share on other sites More sharing options...
qikslvr Posted January 18, 2008 Share Posted January 18, 2008 Yup, that's it. Thanks guys. Let's kick this pig! Link to comment Share on other sites More sharing options...
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