Tuning an 08 with NPP
3500 is too high under any circumstances...
Don't forget to wave...
08 Z51, MN6

Right now I am the only one who sells a ready to use unit to lower the rpm opening point of the NPP system. I am the FIRST to Offer a RPM Adjustable NPP / Z06 Exhaust Controller.
The stock npp opens at 2800-3500 depending on throttle position.
With the Ultimate Exhaust Commander you can select the rpm at which you want the butterflies to open from 1800-3200 rpm, you also get a full open mode and the ability to have the stock rpm open mode too. All controllable with a wireless remote. Here is the link to the unit in my store:http://shop.sunsetorangecreations.co...=2&productId=4
You select the rpm you want it to open the butterflies at on the unit, and can switch between full open, user selectable rpm open, and stock rpm open using the wireless remote.
I developed this unit so that people who retrofit bi-mode exhaust to thier cars can have a rpm open mode.
It also works on cars that came from the factory with bi-mode and want a lower rpm opening point.
If you want rpm selections that are different from the standard unit I make, I can make one that has the choice of whatever 8 rpm settings you like.
Its a great unit. Pm me if you need any more info.
Last edited by SunsetOrangeCreations; Oct 29, 2007 at 08:05 AM.




