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      02-11-2011, 09:43 PM   #1
m3heaven
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Drives: 2015 AW M4 6MT
Join Date: Feb 2008
Location: Los Angeles/New York City

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Lightbulb O2 Extenders for Catless/HFC X-Pipes

Hey Guys,

Just curious has anyone used o2 extenders to remove CELs? With my previous car (Evo X) everyone uses extenders/spacers to remove the CEL when running test pipes.

Here's a picture of 2 different types...