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07 3SS
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Discussion Starter #1
next week i plan on having a good friend of mine who runs a local exhaust shop put his system on my ss. will i need a tune after or am i going to be ok with stock, for now...?

thanks,
Scott
 

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No you will not need a tune just for a exhaust unless you were planning on cutting the cats out then you would need a to have you rear 02s turned off
 
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