Quote:
Originally Posted by TT1351
Am using the Fabspeed catted exhaust, not a ton of miles, but no CEL. On my 135i I used a catted downpipe from an out of business vendor, threw a CEL not longer after installation. Was using auto clear with my JB4 but ran into issues with state inspections. Added the wizardry of an electronic car simulator and now have no issues with state inspections or CEL. FWIW
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Thanks a for your sharing.