I bought a knock off skunk 2 intake , just to try and port so if I messed up I wouldn’t be out 400 bucks, anyways when I cut it open it has some werid cast lines across the runners. I had my buddy try and weld them so I could then smooth them out but the cast was so porous that he really couldn’t. My question is , will running it like this cause any drivability issues ? First pic is when I cut it and second pic is after I attempted to smooth it out