Quite a battle going on here~IMO SRI gives u throttle response and CAI gives u high-end hp. Name brand or not doesn't really matter as long u get what you want it from the products, it's all good brand. Some people like actual performance gains, while some people like the bling and hiss. It's all up to each individuals to judge whether or not it's worthwhile. I myself don't like doing any mod to the audio system to my car, but some people like their car sounds like a boombox. I'm not gonna call a fail on them cuz that's something they put their time and effort into. Everybody has their own taste of modding. Let's not judge or call out other fellow Z owner.
Anyway I really like how ur intake turns out. Like many said I'm little worry about the heat soaking around the filter element. Here is an idea for u~just get another same diameter pipe about 1'-2' long of the right bend, connect it with rubber silicone hose before the filter. There you got CAI with the sound u want it.