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Old 12-27-2013, 07:16 PM   #1
Join Date: Oct 2011
Vehicle: 2005 Mustang GT
Location: CA
Posts: 2
Default X crossover pipe

I've been running JBA shorty headers, stock mid-pipes and Flowmaster mufflers on my 2005 GT since it was new. While it sounds great and I "feel" increased hp, am I remiss in not installing X type crossover pipes? All comments please.
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