HP TUNER question. so i have a 2005 gmc sierra 4.8 5 speed manual and i was wondering can u set the rev limiter some how like u can on an automatic?? so say if yr drag racing u can floor it if this makes sense lol like a two step or do i just have to buy a ligenfelter type deal

 

like a launch control?

 

yes sir

 

you can with fuel cut... in the p/n column