The valve itself has some wiggle room built into the bolt holes ... uncorks the exhaust. See All 11 Photos With the wiring connections made, we verified the proper function of the flapper valves.

Dig into the video and you’ll see that the modification simply involves cutting a hole before and after ... allowing you to open or close the exhaust flap as desired. The best part of this ...

Suggestion: use a flashlight or any king of light source to verify that the flap is open ( it should look like photo no. 4) Step 6: tie the exhaust back on and run the wire through the groove that ...

But did you know it has holes in the exhaust tips? If you're thinking they're for exhaust gases or fluids or even for a thermodynamic function, you're wrong. It has nothing to do with the engine ...