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2SSRS@Gen5diy · 01-31-2017, 04:07 PM

My Z has headers with high flow cats through NPP, do you think that fine or do i need to have it tested?

01-31-2017, 04:07 PM	#147
2SSRS@Gen5diy Drives: 2014 Z/28 #82+#192, 18ZLE 66Nova Join Date: Oct 2008 Location: By the lake in AZ Posts: 15,728 View My Garage	My Z has headers with high flow cats through NPP, do you think that fine or do i need to have it tested?