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The reality is none of these sounds truly great (just the reality of two turbos muffling the sound), so don’t expect miracles. I’d go with Ti, JCR or Akra so you save a bunch of weight on the very back of the car. I felt like setting the valves to 100% open with PSE made as much (or maybe more) of a difference than the muffler swap itself. If you have or plan to tune your car and already have PSE, consider doing high flow cats first with valves always open and re-evaluate if you want more. If you don’t plan to tune, then it’s kind of weird to put in high flow cats just for sound.