Quote:
Originally Posted by Megahurtz
I have to disagree on the zero drone here. I have the 60609 X pipe with AFM valves and the 11924 S-Type rear part. Whenever I use my Forza controller to "pull the fuse" and leave the valves open I def get a bit of drone in the cabin. You can regulate it a little bit with the throttle but it is there. It's not that bad but if I am trying to talk on the phone hands free it makes it hard to hear them.
When I let the factory sport/track mode control the valves I get no drone at all. NPP is well worth the money IMO.
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I know the S-Type is a different muffler, and deeper tone. I'm extremely sensitive to drone, made me sell my other exhausts in the past for this, and other cars. I have zero drone with the Atak axle back, no NPP valves and secondary cat delete. It is definitely loud and aggressive, but not droning. Perhaps it also has to do with the fact that I have an M6 and not an A8. If I was swimming in cash, I probably would have gotten the NPP valve version, just to have it. Honestly though, I rarely used it, and don't miss it at all now.