which is the difference between a tein coilover with or without pillowball uppermounts. tein website says opitonal for some applications. which would i need.i am leaning toward the basic damper over the super street damper, what do you think?

 

my bad, for a 98 quattro wiht sport suspension

 

not nessecary

 

There are no pillow mounts that will work on the A4.
It's not an option on that car.