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Want to add Headers/Tubes - Re-Tune?
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01-10-2011, 02:21 PM
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mikeSS
Drives: 2015 c7
Join Date: Nov 2009
Location: MI
Posts: 7,462
its going to be a big difference in sound and power. you need a re-tune to get the best results. my local shop did a re-tune on my car for 200
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