Originally Posted by pasd181

I installed the complete By Design set up with Cobb Stage III, The car has two personalties. It drives as stock, Kline Catless exhaust has no drone and tune is not noticeable and beast mode, the car becomes completly alive and responsive. I have had several Porsches, including a 997 gt2 that I tuned, the By Design set-up gives you the best of both worlds, classy effortless cruising and GT2 feel on demand. I have had this set-up since June of last year and absolutely love it. Next upgrade for me is Cobb stage IV and By Design Turbo's