Boosted stats is critical to winning the game. Stats go up as high to doubling the stats of the item. There are two ways to get boosted stats, betting and getting 1-3% boosts from short bets and 6-10% from long bets.
You can also get boosted stats from crate items, all the way up to 100% which is higher than you can bet items up to (60%). The highest possible boost you can have on any item would be to have 3 legendary wheels, 2 legendary boosts and 2 legendary weapons, giving a total of 700% boost on the body.