Originally Posted by 03Z33

The cable is just long enough to be ran through the rubber grommets in the floor behind the rear strut bar/driver seat. You'll see it when you remove the carpeting and foam.

They also offer a longer 3.5M cabel if you want to run it further forward to the front of the cabin:

N1 Universal Turbo Universal Muffler APEX Integration

You would run the 61mm, this one:

ECV, Flange-Type Exhaust Control Valve APEX Integration