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Newbie with an Exhaust question?

2K views 18 replies 6 participants last post by  Nathan21 
#1 ·
I have an aftermarket turboxs Midpipe sitting on my floor right now to go with my Turboxs muffler that's already on my Rex. Can I go ahead and install my Midpipe without a tune? I will be sticking with my Stock Downpipe. Wasn't sure if that was just for an aftermarket downpipe or both.
 
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