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There is a problem with my dad's flowmaster (we are guessing 70 series) muffler on his che*y 5.7 litre truck. You can hit the muffle and hear it rattle (it is definately not the hangers or anything to do with mounting) When you start it up it sounds great but has the very anoying rattle.
Has anyone else had this problem?
I've been wanting to buy a flowmaser 50 series delta flow for my 79 f-150 460 (running 2 mufflers with true duels) Is this a good choice?
My dad has turned against flowmaster and wouldn't get another one.
So my question is if i don't get the 50 series flowmaster what muffler is similar?
Dynomax super turbo?
Gibson? or what other brands will sound similar and give me the performance gains.