Exterior, Detailing, & Body Work
I just picked up a v4 front bumper. It doesn't come with a front lip so I started browsing for one that would fit it.
I came across this link that advertises a lip that fits on 1997-2001 WRXs:
1997-2001 Subaru Impreza WRX Front Lip STI Style Poly-Urethane - BLF-SI97STI-PU