Hello just curious if there are any performance upgrades I could do to 92 ssei?!

No, not really. Any hard internal engine upgrades would require tuning, and nobody tunes anything pre 1997. Find something 1997 and newer.

I would say exhaust/intake, but the stock ones already flow pretty well on this. You'd just end up with more noise for your dollars. Otherwise, what Mike said above ^^^^^^ .

As mentioned, the market for the series 1 was pretty limited. Willwren from days of old had about the most extensively modified 92-95 in the history of the forum that I am aware of, but he is since long gone. Even then, he had a lot of trouble keeping enough traction to put a time down, and when he did, he was constantly breaking driveline components.

The biggest issue with Series 1, is that without a custom cam, power mods just tend to inflate the low end torque figures more quickly than they increase top end power, which creates a whole lot of drama, with little actual progress.

You can liven it up a bit with intake, high flow catalytic converter, lower pulley, and hotter coils, but it won't help gain much.

If you really want to go fast with this car, you may be better off looking in to full drive train swaps. Series 2 was most popular, especially given that it was mounted in the same body of later years. A full donor car would be best. Several series 2 swaps have been done and documented.

As Mike said however, the easiest solution, is to just start off with the right car from the start if going fast is your goal.