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      02-14-2013, 08:06 AM   #6
JD3
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Drives: 09 e92 M3, DCT.
Join Date: Apr 2010
Location: Columbus, OH

Posts: 625
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Quote:
Originally Posted by BLACK OPS View Post
I forget what differentiates each stage in tune, but is this with stock exhaust?
I believe Stage I is for stock exhaust or at least stock cats. Stage II is what I have since I have Turner Test Pipes. The only part of my exhaust that is stock is the X pipe.
I can't speak to the Stage I tune, but I can't imagine it gives you the same kick in the pants that the TTP's/Stage II does.
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