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Should be automatic when installing downpipe... Posted by MI-Roger [Email] (#882) [Profile/Gallery] (more from MI-Roger) on Thu, 10 Jan 2013 08:40:58 In Reply to: Bigdaddys O2 extender fixes the CEL..., SG, Sun, 30 Dec 2012 07:23:56 Members do not see ads below this line. - Help Keep This Site Online - Signup |
Just like Death and Taxes, getting a P0420 CEL code after installing a performance downpipe is guaranteed. You don't know when, but it will happen.
Everyone installing a performance downpipe should install a 90-degree O2 Adapter from BigDaddies (or equivalent) at time of install.
Been there, done that, got the T-shirt......
_______________________________________ Saabs owned: 2008 9-5 Aero Sedan, sold at 227K miles 2006 9-3SC 2.0T - Wife's daily driver 2000 Viggen Convertible - Sold May, 2022 1964 Quantum IV Formula Car - Retirement project 2000 9-5lpt Sedan, sold at 318K miles
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