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Old 06-22-2009, 09:54 PM   #20
RJT 2SS RS Auto -"Sookie"
jm88's Avatar
Drives: 13 BMW X6 50i - M Perf
Join Date: Apr 2009
Location: Nevada
Posts: 194

Would someone kindly educate me... on the Borla website they indicate two systems - the "S" Type and then just the "X" Pipe.

What's the difference, which one would give you better flow and power?
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