Don't get me wrong, I'd love to get better sound. It's one of the main reasons why I think the V8 is worth it over an I6. I think one unfortunate part of these luxury SUVs is that they are so well insulated, that it's really tough to get that sound into the cabin. So while I'm sure it sounds better, unless you constantly drive with your windows down you won't get the benefit of these 75% of the time.
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Originally Posted by Ninefourteener
Agreed... the "butt dyno" is highly irregular and unreliable.
My butt-dyno says maybe a couple extra hp at the high end of the RPM range. Not much more. I didnt expect much though. I dont think anyone should.
If nothing else, it's the last time I'll ever buy filters for.it.
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