Thread: Exhaust rattle
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Old 05-24-2025, 11:03 PM   #2
arpad_m


 
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Drives: 2018 Camaro 2SS A8
Join Date: Jul 2017
Location: East Tennessee
Posts: 13,476
Hi LT1andro, does your car have the NPP exhaust (that comes with quad tips)? If yes, the rattle is likely to be caused by the exhaust valves, which is a known issue and has various remedies.

You will find TSBs on the valve rattle (early epoxy fix, lube fix, valve controller leg cutoff fix) and several threads here in the forums, let us know if you can't locate them though.
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2018 Camaro 2SS — G7E MX0 NPP F55 IO6
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