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      04-03-2012, 06:51 PM   #15
kitw
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Drives: F91 M8, 991.2 GT3
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Quote:
Originally Posted by pride355 View Post
Does Akra slip-on paired with test pipes make that resonance between 3000-4000 rpm as Akra. Evo?

Which one is more bassy: akra Evo or akra slip-on w/TTP ?
Akrapovic Evo is more bassy and louder overall. Not a ton of difference, except that there is no resonance. I would hope that the TTP wouldn't flow as well given how much it costs, but the real restriction is the primary cats, so who knows?
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