Exhaust for 96 Cobra

I'm starting to look for exhaust now that I just bought my Cold air and larger MAF. I have a couple of choice exhaust set ups and I'm not real sure which are best. I have a 96 Cobra and I was wondering if anybody could help

Mac Longtube Headers
Bassani shorty X pipe w/high flow cats (make them with cats? have to find out)
Flowmaster American thunder CB

Mac Longtube Headers
Bassani shorty X pipe w/high flow cats
Mac CB

Mac Longtube Headers
Bassani shorty X pipe w/high flow cats
SLP Loudmouth CB

Mac Longtube Headers
Bassani shorty X pipe w/high flow cats
Side exhaust, either Dynomax or I found a guy to make custom MagnaFlow Magnapacks

*if Bassani doesnt make the shorty X pipe, suggest another