Quote:
Originally Posted by G37sHKS
cant you see his dyno post? he got 15 HP and 9 Tq with stock Y pipe.. I can only imagine how many more power this exhaust will produce after installing any good after market Y pipe..
I would go with Motordyne resonated Y pipe *hint hint phelan*
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thanks but i already have a y-pipe that cost me an arm and a leg to get, no need to get another one...