check the cadillidic converter under the car.
Sounds like a head gasket problem. Better run a compression check.
sounds like a stuck fuel injector
might want to check your drums
true dual by far
While listening to Impreza exhaust sounds is not common, there are sites that have the sound. Check out YouTube for videos with the sound to listen to.
Sounds like this vehicle needs a good tune up and to be timed.
The popping from the exhaust and the lack of power sounds like there is something in the timing. Most likely the timing chain is worn and needs replacing.
Sounds like a weak ground connection somewhere on the trailer or tow vehicle.
Stock Toyota exhaust system.
To muffle the sounds of the engine /exhaust coming out take it off and see how it sounds!
dont put an exhaust on a v6 it sounds fine stock if you wanted it to sound good you should have gotten the v8
http://www.autozone.com/servlet/UiBroker?UseCase=S001&UserAction=viewSimpleDiagInfo&Parameters=info sounds like you need a new exhaust system. exhaust also may not be quite long enuff and is letting fumes into trunk of vehicle a good exhaust shop can check this for you in a couple of minutes