Quote:
Originally Posted by ol'George
Jon,
I always figured Iso's came along right about the time there was push for noise regulations so they prolly helped, along with the covers on the sides of the engine compartment, I'm thinking the Db rating was less.
I never put a meter to work checking tho'
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Sounds about right. I can't hear well anyway. All sounds about the same to me. QL's did have a lot better muffler though. I'll give them that!
