Depends on how they ride. But cutting is always better than heating them...remember that NEVER heat a spring!

I have cut alot of Mustang springs in my life time and they all seem to ride fine but then again we are talking about Mustangs. Cutting a spring usually doesnt make the ride quality go away asuming your only cutting off a little bit. Now go and cut half the damn spring off then that changes the story. I am sayin like a half coil or 1 full coil and you will be ok. Go farther than that well idk good luck.

But 2 in is pretty low already. Are you purposly trying to tear your front bumper off?