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Hi Pir4te, Quite amazing you were able to get a full cat-back with bi-modal option for such a low price. You did indeed fall upon a great deal, IMO. The M2W sells fairly well here in US, but the NPP in a box is not a big seller. From the info you are stating, it sounds like the legal forces...

Hi Pir4te ... I love your marketing lines. You have a good way with words. About the NPP in a Box ... I believe that product is for cars that did not have a bi-modal exhaust but the the owner wanted to install one. He would have to purchase and install a silencer with built-in bypass and the...

Thanks for the replies. Here in US, for Chevy's, Mild-to-Wild makes a device that merely interrupts the electric circuit to the vacuum solenoid valve. This device connects into the fuse panel. So, basically, they are just providing a remote control switch that replaces the standard fuse...

OK ... here goes ... How many of you HSV owners (or for that many any one) have a vehicle with vacuum actuated exhaust bypass valves? If you have a car with these valves, and they are factory installed, then typically they are controlled through the ECU and will work like the Chevy Camaro and...

I would guess then that my question about bi-modal exhaust would be better posed in the HSV forum ... yes?

Greetings to fellow enthusiasts, By way of this post I wish to introduce myself as new member of the forum. I am in the US and I had a Pontiac GTO when you guys made it for us down there. Great car, but alas, Pontiac is no more. My question is one that I cannot get an answer up here in...