What type of chip are thinking about using? Is it a software update/reflash, or a plug and play type piece?
From my experience with a 997 TT, the air intake/exhaust upgrade was most enjoyable because these engines sound terrific uncorked

You'll get the most out of the chip/reflash with free flowing exhaust/air box as well. We used Fabspeed's products, the sound is great, and looks amazing too!