Always used to hear good things about them from Civic owners and I know they have done some amazing car builds over the years.
Sure anyone's Zed would be in good hands with them. You should definitely consider it as you've got all the basic performance bits already done.
What are these basic performance bits?
Iv had for the past 6 months cobra sport cats, y pipe, and centre rear box. Also kn panel filter. Anything else suggested to get best gains?