Quote:
Originally Posted by f32458
That is what I thought. When I had the Akra EVO for two weeks. I felt the gain is much more noticeable than my current iPE F1. I am embarrassed to WOT since it is way too loud in the city driving. I heard from some people saying with the valve closed, I gain more torque? My valve opens at 3800rpm in auto mode. Which is insanely loud after I pass 3800rpm so I let go of the gas pedal immediately. Again, it has been raining crazy lately. Haven't yet to drive it hard with the valve open/close.
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why don't you keep the valves closed in the city and then when you want to rip it on the highway or side streets, open it? That's what I'm going to do when I install mine.