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Old 01-02-2012, 06:26 PM   #13
blake-b


 
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Drives: 2009 ZR1
Join Date: May 2010
Location: KCMO
Posts: 3,205
I didn't tune my car when I installed headers. The reason being I was going to do more upgrades and then do one all-inclusive tune. The headers alone woke the car up. I cannot imagine what a tune would have added but it would have been spectacular. My CEL came on the day after I put them on and stayed on until dismantled the car.
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