Much of the Russian equipment vanquished in various air battles was export quality. For example, the export MIG 23 had a downgraded radar system and electronic counter measures. I'd guess Fulcrum/Flanker similar.
Yes, some of you need to do your homework.
I have flown with many ex-Mig drivers. They are scathing of Russian tactical doctrine and the initial training they received. One Egyptian said they were all quite happy when condescending Russian instructor pilots were ambushed by the Israelis.
The Arab-Israeli wars are a good look at how Western military technology was used to convincingly dismantle the Soviet military structures and tactics. The end game being 1982 Bekaa Valley
Ambush Over the Desert Israel AF VS Soviet AF