Good job modifying a cheaper one to work. I was looking for something that could work but having the 3 ports was hard to find. Awesome job taking the leaky site glass out and blocking the bottom and using the top as the 3rd port. I powdercoat job could get that can any color you want. Yeah, the SRT-6 setup is quite a bit different when it comes to the intake manifold.
That red one you posted would work like you stated, but I don't like the fact it doesn't have a sealed top but a filter. That will not work and be a vacuum leak on the SRT-6. Needs to be sealed.
Moshimoto makes very nice stuff, but man it is pricey. I am very happy with my NeedsWings and it looks super good in the engine bay. Plus that is was designed for our cars is a plus. No regrets at all buying it.
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Love keeping my bay clean, its getting there. Pulley Saver kit is next