Borla Y pipe? How good is it?
#2
Well I had one on my car and during our club Dyno day I was within 4hp of a guy with Slp shorties on a Dual cat car. Our mods were the same. I now have headers. It will be interesting to see what happens.
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dbusch22
LT1 Based Engine Tech
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01-05-2015 07:14 PM