Some set up eg different springs and shock might not match up right, plus your also playing about $1k for it, might as well pay alittle extra and get coilover where they are design to work together,...
ive been to Bob Jane a few times
different places and find that they dont know what they are doing, the car go but the steering wheel is worst off then before and i went back like 3 times before...
most amp have adjustable power
which meant that you can adjust the power to 3/4 power so that it doesnt provide the full power to the sub as an example
Ive got the AEM ones on my lude and its pretty much just for look
doesnt provide much power but mainly abit of torque, you can feel abit pick up when u put you foot down but nothing huge, not cheap...
hitting on the angle that undo it, anti-clockwise but hit it more to the side so if u over chip, its only one part of the side that is chip but u can use the other...
Ive got Tein Ha on my lude
and it improve on handling so much, but it took me atleast a week to get the right height and dampering for my everyday drive