driftingmy240sx wrote: when does the popping noise occur?
vglenn1 wrote:I hear it every time i hit a bump and thats the only time i hear it.
He answered your question already.
In response to your question glenn, I would check to make sure that you tightened everything down when you installed the new parts as it sounds like a loose part. I would especially check the upper mounting nuts (the ones in the engine bay) and the sway bar links.