On that engine I would run either the Novarossi 2601, or The Mugen pipe (if you can find one) .... I happen to have a few for sale.
Then I would get the RB 2604
Then I would try the Novarossi 2630
Then I would go with the skyline.
All of these I would use the Novarossi med conical manifold 41616
| Capricorn | Ybslow | Proline-Protoform | Johnny Bravo Racing | Desoto Racing | Murnan Modified | Matrix Tires | Powermaster Fuel |