thanks fellas, i want to do the whole heavy breather and prob a TTS tuner so i can put cams in later but im very short on cash as usual lol, i run my bike only on premium and 98 ron if i can get it, i dont like heaps of decel pop but a little every now and then but i understand what your saying walka i know it needs more fuel but i need to buy a tuner and am trying to save up for that and the SE heavy breather but prob take a while thanks for the info. cheers