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      11-20-2012, 05:03 AM   #1
bmw335idizzle
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Drives: bmw
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benefits of getting cobb flash with jb4 G5 when mixing e85:91?

Just wondering what are the benefits of getting the cobb flash with jb4 G5 when mixing e85:91 50/50? I see a lot of people run without the cobb flash and do 50/50 e85:91 and have great gains and some people here say you need the cobb flash..