Junkyards are full of Starion intercoolers, if you're willing to do some fabrication, you can fit one in your Eclipse.
One of the best sports cars of the eighties, second only to the Datsuns.
Invulnerable to rice, capable of outracing any Honda, Acura, or Toyota, and will put Mustangs and Camaros back in their place.
Want to know how powerful it is? When I got it, the secondary fuel injector was broken. On only the primary injector, that car could get to about 70 MPH.