Tough to say if the Borla is louder then the SLP. The SLP is basically a straight pipe, but I must say the Borla is amlost the same. I have the FRPP version and when I looked into one end, I saw light out the other.
There where some small louvers about half way down, but not sure if they do a whole heck of a lot.
WHO GIVES A DAMN about how loud it is, does anoyone know the actual HP rating between the both of them, yes SLP is stright but that doesnt mean Borla has more restriction, ne one know ne thing that really matters?
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