Just get the factory Toyota clutch. Only costs under $200, and anything else will be overkill and wear faster due to higher clamping pressures.
People go out buying heavy duty clutches for their Celicas that put down a dismal amount of torque compared to what the clutch can handle.
When shopping for a clutch, bigger isn't always better.
clutch was supposed to last twice as long due to being made of far superior materials.
I would suggest clutch and flywheel, you can do exhaust anytime. My car is in the shop having tranny replaced, i'm having a fidanza flywheel installed. Last time they worked on my tranny and didn't fix the problem i got a TRD