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Re: Full 3" system and code P0420 Posted by jdlincoln [Email] (#640) [Profile/Gallery] (more from jdlincoln) on Wed, 29 Sep 2010 09:19:25 In Reply to: Full 3" system and code P0420, Paul in NM, Mon, 27 Sep 2010 12:04:43 Members do not see ads below this line. - Help Keep This Site Online - Signup |
Had this problem on my 9K aero with Jak's SS 3" DP and race cat. Final solution was to grind down Jak's 02 bungs to about 1/2 the original height allowing the sensors to get more fully into the exaust stream. No issues after over 8000 miles and almost 3 years now.
JD
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