HP Estimate on Camaro?

I was wondering about what my car should make HP wise? I have a 95 Camaro Z28. K&N cold air intake, MSD coil, distibutor, MSD super conductor wires, Hooker Super Comp Headers (shorties), 3 inch straight pipe (looks like a cat lol), 3 inch pipe leading to Flowmaster exhaust. The computer was done by PCMForLess. I know it makes good power and with get wheel spin up to 65mph when I stomp it. The traction control kicks in (I always forget to turn it off when playing) anytime it shifts. Automatic Trans. I have Hancook tires on it.

My guess would be (depending on mileage) around 250-260hp to the wheels.