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I'm finding that I want more noise/grunt from my Double D exhaust on my SC606. As such, I'm considering replacing the Double D with a different axle-back option (e.g. BB, Corsa or Borla). Anyone have any experience doing this and/or recommendations on this front? Thx.

Do what you want
The DD exhaust was engineered by Callaway for Optimum performance

If you’re going to swap, get Corsa...no question.

SurfnSun wrote: ↑Sat May 11, 2019 9:37 am If you’re going to swap, get Corsa...no question.

Why Corsa?

Zero drone, loudest at WOT

Thanks. Callaway claims the Double D is a high flow system. I’m not sure how/if just simply an axle back alternative impacts that. I can’t find any flow rate info anywhere for the Double D or Corsa, Borla, Billy Boat, etc..

You will not see any performance increase, it’s simply for sound.

I personally would not switch but it’s just a matter of personal preference

SurfnSun wrote: ↑Sun May 12, 2019 12:47 pm You will not see any performance increase, it’s simply for sound.

Thanks. I'm not looking for any performance increase, just trying to understand if switching would negatively impact performance.

I haven't decided yet if I am going to switch -- still thinking about it.

There won’t be any noticeable degradation in performance.

Callaway has Their own flow benches.
Change your exhaust to your satisfaction.
Save your DD exhaust to hold the value on your car.
Best of luck and enjoy your car!