What sealer product works the best over sfx2&3

[srqkiter]

I want to use the sonus sfx3 then three on my truck. Blk metallic finish. is it necc. to apply a glaze or AIO,FMJ,orBF over this prior to my LSP?

thanks for your advice

[imported_hadboosttroy]

i went from sfx 2 straight to zaino z2pro on milano red with no marring, so i would say no nothing needed.

[pontman43]

I was under the impression that SFX 3 was a glaze.