For all you guys that need a reducer for your downpipe so you can bolt it up to your cat/test pipe, i found some places online to get them. they're called reducer cones. I hope this post is helpful to someone.

http://store.summitracing.com/...00611

This place is more expensive and come in pairs but they are long so the reduction is more gradual.

http://www.drgas.com/product.asp?id=8

This place has pretty good prices, but they look shorter.

http://www.kteller.com/store/i...85_86

And here is a site for flanges and other exhaust accessories.