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I disagree, I think it to be worth it if you do other mods along with it on a stock engine. I did and a few other things like blue printing and such and I was called a liar when I posted the HP and TQ I got on the dyno. Tuning is everything with any mod. You may see less difference with the injuection, that I can't speak to as I don't run or work on those.



so what did you get for HP and TQ?

05 speedmaster - 1100cc, 11:1 racing pistons, Carillo rods, thunderbike cams, ported and polished head, 2mm over intake and exhaust valves, Barnett kevlar clutch, scepter pipes, oversize manifolds, 45mm HSR's, TTP stage 4 firestarter