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Discussion Starter · #1 ·
Hi guys - question for those of you who have installed the Borla header back exhaust 12656 ... the O2 sensors have a sheet metal cup pictured in the installation PDF below

borla dot com /media/installations/12656.pdf
Page 4, Figure 5

With the factory exhaust, these cups were held firmly in place when the O2 sensor is tightened down. With the installation of my Borla, they don't sit flush and rattle around a lot. Did anyone else experience this? Anyone else have this issue - solutions or suggestions? (worst case i can mechanic's wire them into place)

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