Like Machy said, you do not have to put a new axle on if you throw on +2 a-arms. However, if you decide you want one then you'll a +4. As for prices, just look at our sponsors and PM them.rey rey said:So if I get longer a-arms in the front like +2 arms,,,don't I also need to widen to back also? And how? Any good prices ou there right now? Appreciate the help yall.