Is there any spark plug which can give better performance/speed ?

most recommended Iridium Spark Plugs

I m from Chung Hwa Confucian ^^.. Ei samba bro i juz went to CS motion art i get my own design there the guys i nid to print the design for him n the price is around Rm180 sad.. lo sob sob.. Anyone using Rextor CDI there?? How is it?? N I read tat got few of u interested in nob1 sss, last few month i went to bike shop got ppl installed it b4, he said tat b4 he din instal nob1 sss his bike can reach 150km/h but after tat left 140km/h but got slightly improve in pick up.. N today dun noe y my bike go until 120km/h then cant go liao, b4 tat i reach 140km/h when i was chasing my fren 250 ninja out side my school there...

if not mistaken racing footrest mostly hook up, just like clutch bike

anyway, just got my NOB1 SSS installed, but 2nd hand one only,
as there's no stock at shop eventhough I've already placed the order 2 weeks ago



** ignore the 'P' sticker and dirty bike arr

Please anyone i need help..i want to buy this Nob1 sss standard looking exhaust pipe,,but cannot get it from anywhere...please help me,,,i am really desparate..