I have a 2000 F-150 4x4 off road with a 5.4L engine. I want to put dual exhaust on it and i am not sure what muffler i should run. I want a low deep rumble throaty sound NOT loud. I just want be able to here the engine rumble not wake the dead. What does the flowmaster 70's series sound like or how loud is the 50's series. Im not opposed to magnaflow or dynomax im just not as familier with those brands. Im open to all suggestions and if you have sound clips please post. Thanks for all your help

 

the 50 series flowmaster should give you a nice little rumble and not be to loud, i ran one of them for 8 years.