Hi Guys!
Im thinking in purchase the 7ism exhaust for my gen, but with so many exhausts out there....is this a good option?
I love the design of 7ism since the first time i saw it. How many extra whp and torque could i expect?
Please if someone have this exhaust, his comments will be grateful.

Im thinking in purchase the 7ism exhaust for my gen, but with so many exhausts out there....is this a good option?
I love the design of 7ism since the first time i saw it. How many extra whp and torque could i expect?
Please if someone have this exhaust, his comments will be grateful.