chrisholly Posted September 23, 2014 Share Posted September 23, 2014 Hi im running the stage 1 and stage 2 but a gt28r so more lag that was my silly mistake stage 1 and 2 from undo guilds no mapped yet to be done from td for 550 fitted anyone know what bhp I will have when mapping is done Quote Link to post Share on other sites
Adam M Posted September 23, 2014 Share Posted September 23, 2014 If u max the turbo and have supporting accessories i'd imagine you would be well over 300 bhp Quote Link to post Share on other sites
james101090 Posted September 28, 2014 Share Posted September 28, 2014 Gt2871r or gt28rs? Rs to my knowledge can make 330bhp with ease and the bigger nearly 400bhp with right supporting mods depending on dynos and mapping. Quote Link to post Share on other sites
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