[dreyo27]

I am looking to do the the front radius arm and front control arm bushings,
along with the rear subframe bushings.

Is there a difference in quality?

The price difference is massive
Powerflex VS Whiteline
$124 vs $89
$203 vs $44
$188+$161 vs $179

[ritzzzzzwik]

I've got the M3 front control arms and Whiteline inserts in the rear. Cant say much about comparison, but the Whiteline did what they stated they would. The rear end feel better tied down, without any downsides. Either way you go you should be pleased.

[davidwarren]

I have the white line rear subframe bushings. They are great.