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IPSjeff · 02-05-2013, 10:56 AM

Just for testing, we wanted to see what a Cat-back would add (And also what the stock Auto exhaust was robbing since it is VERY restrictive) so here are the numbers with the cat-back removed:

Here is the over-lay with and without the stock exhaust:

02-05-2013, 10:56 AM	#42
IPSjeff Drives: 2009 ZR1 Join Date: Nov 2009 Location: Columbus, OH Posts: 651	Just for testing, we wanted to see what a Cat-back would add (And also what the stock Auto exhaust was robbing since it is VERY restrictive) so here are the numbers with the cat-back removed: Here is the over-lay with and without the stock exhaust: