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I have a 1998 f-150 with the 4.2. would it harm the motor or emissions any if i installed a glass pack muffler. i dont know what they are or how they work i just think they sound beefy!
Did you hear that glass pack on a V8? It might sound like a mad hornets nest on your V6.
I've got a Dynomax turbo muffler on my 4.2....it has a very nice rumble at idle and a very nice growl at upper rpms!
07-31-2006, 07:43 AM
