The Nosram / LRP will fit without any mods but if you want to install it so it sits square in the chassis (a la Racer's Review Car), you'll need to dremel approx 6mm off of the top of the chassis mould ejector pin feature - the little half circular bump that protrudes into the ESC pod.
5 minutes with a dremel and a suitable milling bit - easy peasy - and taking only a small amount from the top of the mould feature isn't likely to reduce the integrity of the chassis in any way.
But like I say - you don't need to do it if you don't mind the ESC not sitting square in the pod.
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