still not as good as an aftermarket system, or the top tuners would not bother changing to them, plus with the 8 valve you need all the help you can get to acheive that sort of power, why feck around, if your gonna do a job do it right, don't skimp.mind you it would probley do for what mods most people have.
__________________
 fj20/et a replacement for displacement 
|