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Old 05-19-2019, 11:19 AM   #28
cellsafemode


 
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Drives: 2016 Camaro 1LT
Join Date: Jan 2016
Location: California
Posts: 3,491
I cut my afm valves off when installing my mrt exhaust a couple years ago. The metal on metal ting/rattle 100% was caused by the xpipe resonator.
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