Thread: How long have your secondary cats lasted w/ catless DP's
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      02-21-2017, 12:22 PM   #37
STR8-6IX
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Drives: RWD 528i N52
Join Date: Nov 2016
Location: Toronto

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best to just take those out before they shit themselves.. good engine sound, deeper exhaust tone and good gains+ throttle response above 4000RPM.
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