Toe in mismatch ?

I bought a used stubby thruster 5’6 with a backyard repair to ONE front fin box ( heel side) where they put the box back with significantly LESS toe in than original so now there is a mismatch.
What would be the expected outcome in performance, theoretically? I am guessing slower reaction on heel side turns cutbacks and backside turns, and barely noticeable speed increase down the line ?