How so? After all, The GM performance exhaust system is $1195.00 for 5 additional HP. This strike me as pretty expensive. I suppose it all depends on how Borla engineers designed their system to deal with the drone that the 4 cyl. mode produces.Based on past exhaust systems from them not much, sorry never cared much for Borla exhaust.
I like this look tooI like the way this looks. I wonder what (if any) performance gains are available with their system, and what it costs? It might make for a worthwhile alternative to the optional GM performance exhaust.
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