B16a if it is TUNED CORRECTLY. Tuning does EVERYTHING. With the correct ecu setup you can get 5-10 more whp. I have a REAL MUGEN ECU that cost me $325 shipped from Japan and once it was tuned, i noticed a HUGE difference.

LSD Transmission => Limited Slip Differential Tranny -- If you don't know what it is, don't get it.