No No No...lik tat no point mah...te needle also cannot reach
there right.. 
Eg: Ur max speed is 200km/h...
1.u take out ur speedo
2.u use black marker pen to draw over the esisting numbers,cover it
completly
3.Get liquid paper, U change all the numbers lar...max original is
200km/h u write to 320km/h lor..
4.For best effect,make it to MPH
Also can write Tanabe/Nismo/mugen to make it as ur speedo
brand..very fierce lea..char bor see liao sure love it. 