Quote:
Originally Posted by Andy124
I think maybe the Greddy Ti-c exhaust too high flow and made my Z lost in power? Im worry if i change an aftermarket exhaust manifold will make my Z even worse.
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There's no possible way u lost hp. u may have lost low end torque, which is tricking your butt dyno, but i garuntee that u gained power up top. unless u went much larger than 60mm, u probably didn't lose i gigantic amount of tq down low either