Yeah I had a t-bone skid plate on my b5m just to stop damage on the back edge of the alloy chassis due to landings, and also stops it tearing through the chassis skin etc, came with slightly longer screws to adjust for the extra thickness.
It reduced the ground clearance just at the back by 2mm but no effect to the ride height, been after one for my k2 also but don't think anyone does such a thing.
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