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I have the electric ones on my 2012 Challenger and I love them! I've had them for about 4 years now. You need to check your state laws because they are illegal in some states. You can go from full muffler to open headers and anywhere in between with a press of a toggle switch. That being said...

I have the DMH low profile ones on my 2012 Challenger. After about 6 months, they started leaking when the car was cold, sealed up after that. One of the motors started to loosen a little, but would still seal after warmed up. DMH never responded to my emails. If I had it to do over again I...