A rain stopper is a thing that truck's use to stop the rain from getting in the engine it is a good model to use you shod get one. They come in different sizes these are the sizes they come in big like mine medium and little. Time for the instructions : 1. Put the ran stopper on the muffler. 2 .Screw it on. 3. Test it and see if it work's if the rain stopper doesn't work put some CRC on the rain stopper and leave it for 10 minutes to soak in.
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