Ebay Electronic Exhaust valve
https://www.ebay.com/itm/2-5-Electri...4AAOSwNJNbMLLa
Allows you to "straight pipe" your car when you want to be loud. I'm looking to put this in my car.
Does anyone know if our C400 pipes are 2.5" or 3"
Last edited by vanondemand; Jul 21, 2019 at 12:07 AM.


