Not worth it IMHO. The fact remains that that setup will simply be too loud when you have the exhaust on bypass, so you'd be constantly leaving it switched on to avoid the headache you'd get/ballache from everyone else. Not trying to sound like a broken record here, but you really REALLY do not want a decat with a K1. Put it another way, there's no reason you can't go and get the setup you want and then add the ECV in afterwards, but I believe they've stopped making the electronic version so you'd have to use the manual cable driven one. I'd give it a week before you gave up and popped the cats back in.