Depends on the amount of money you have to spend.
Any of the Nova engines will perform very well (Top TSR, Rex ReR or the Nova and/or Mugen)
For exhaust, if you have the bucks, get the Mugen. If you want to save some money, try the RD Logics
| Capricorn | Ybslow | Proline-Protoform | Johnny Bravo Racing | Desoto Racing | Murnan Modified | Matrix Tires | Powermaster Fuel |