I don't see why not. My 3L upper that I had lying around was easier to get into than the 2.5L upper. The lowers are almost identical. Just be careful on the lower that you don't widen out the inlet and outlet too much and leave the middle too narrow. Bad juju on intake velocity.

warmonger

Former owner of '99 CSVT - Silver #222/2760 356/334 wHP/TQ at 10psi on pump gas! See My Mods '05 Volvo S40 Turbo 5 AWD with 6spd, Passion Red '06 Mazda5 Touring, 5spd,MTX, Black