Ok I have a stock rn sj I have a b pipe and moded chamber I want as much low end I like freestyle alot this weekend I'm buying a nice head not sure what one to get I would like to know what you guys think is the best for low end also would bigger carbs be good? Or diffrent prop/pump heard some good things about a mag pump but the are a little pricey I think that and totale lose would be the last two any advise is welcome thanks guys!