
Whether this muffler was professionally installed on my V8 Dodge Ram, after the catalytic converter and immediately after the short downpipe. It has a loud rumble at idle, but almost no deep sound, like a bad stock muffler. At higher RPMs it gets quieter with minimal hum. I originally bought my truck with straight pipes and wanted to muff it, but it is 5% louder than the factory muffler. The sound is not hoarse at all, even at full throttle. The loudest I hear is the air intake of the engine. With the windows down at freeway speeds the tire noise gets louder and I don't use mud tires. I am very disappointed and will change it when I return from an upcoming trip abroad. I am now suspicious of the other reviews here. Either this is their first muffler in production, or they are deaf or just plain dishonest. I've been building engines/cars/motorcycles for over 30 years, this muffler sounds awful. Buyer Warning!

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