QTP QTEC Electric Valves

This QTP electric exhaust cutout uses 304 stainless steel for the valve body and piping, which is a solid choice for resisting corrosion and heat under your vehicle. The valve itself is designed to open and close electronically, letting you switch between a quiet, muffled exhaust note and a wide-open, aggressive sound. It’s a popular way to get two distinct exhaust personalities from one setup, controlled right from your dashboard.

The electric actuator is built to handle the demands of exhaust temperatures, and the butterfly valve design is straightforward and effective for controlling flow. When closed, it directs exhaust gases through your muffler as usual. When you open it up, the gases bypass the muffler entirely, giving you a much louder and more direct exhaust tone. This setup is often used by folks who want the option of a quiet daily driver sound but also want to unleash a more powerful exhaust note for spirited driving or track days.

Installation involves cutting a section out of your existing exhaust pipe and welding this cutout in its place. You'll also need to run the wiring for the electric switch, which typically mounts inside the cabin for easy access. Make sure to check your local emissions regulations, as this part is not CARB approved and cannot be shipped to California.