i thought they were good for drag/circut racing but on the street they give ur engine more wear cos its making the turbo work harder but then it makes it more responsive.
rb20det turbo in very good condition $200
dump pipe fits straight onto rb20det turbo $150
rb20det standard manifold $75
will post pics up soon. any questions pm me or email [email protected] or call me 0403231323 and ask for brendan