Headers on 98' cobra

Any shorty style header will fit a midpipe that is as big as a stock one. If you see a "shorty" midpipe, it was made for longtube headers. If the midpipe doesn't mention "shorty", it will work with the factory style manifold and/or shorty headers.

I've seen those on eBay and while they could be worth it, you get what you pay for with parts.