If it's stained into the clear...a clay bar most likely won't remove it. Do you have any polish laying around or polishing pads?
__________________
Stillen Gen3 CAI|Berk HFC and CBE|UpRev|15mm H&R front spacers|20mm Ichiba rear spacers|Stillen front and rear sway bars|Yokohama S. Drives|Swift springs|JDM Blinking Fog|8000k HIDs|9% window tinting, 47% on full windshield
|