I just installed a new seat made by free line, slapped on new MG tires and went to Homestead speedway to test and tune. About half the way through a session my kart hopped and took the air out of me. I changed some things around and got better, then the kart hopped and it cracked the seat on the right side by my leg. The fracter is on the left side at the top of my rib cage under my arm pit and at the bottem the rib cage the hole left side is killing me. Is it the new seat, new rib protector? IDk