Figured I'd list some of the nicer Japanese made E4 bumpers/kits since having an E4 means you have to work a bit harder at getting parts.

First mine, this is an unknown bumper that was made in Japan and was on an E4 that ended up at the UK at an auto wrecker. I have never found out what it is even after posting pictures on MLR and Evolution Oz. All I know is its my favorite and I paid a bundle having it shipped here.

Varis E4, this kit is still available and is great quality

Veilside DTM, still available through distributors in the USA and direct from Veilside. Literature from them states the arches can take a 315 tire. Really the ultimate in wide.

Evo 4 stock with a splitter, canards and wheel arches