Originally Posted by svo
I have no doubt this mod will make more power on top end, but can affect low end performance and maybe even way down low at idle. It is a fairly inexpensive mod that you can easily buy a second one to switch back and forth from - I think most of us will never see the track but for those who do, I'm sure any change in driveability will be worth it especially if you are a track regular
No change in idle or drivability. I've had it on my car for about 5K and nothing at all wrong with it. I drove it daily as well as at the track during that time. Now it is only a track car.