I am biased here TBH.
If it were me I would go to a custom exhaust builder and get the exhaust built from the downpipe back with one silencer left at the rear of the car. For some reason (possibly due to being turbocharged) the 944 is great have having a lairy exhaust whilst being more than pleasant within the car (i.e not boomy on the motorway).
At least I found this to be the case on mine when the Wortec was in 'quiet' mode

. After owning that I personally would not go back to a 'stock' system.
The failures of Dansk systems on Porker with some owners in addition to other 'OE systems (in my case Timax (aka Klarus) on various Pugs and Fords and in my friend's case a Renault)) where they have fallen apart and generally fitted as well as a dog's dinner.
I'd suggest genuine (after all, they have lasted well over 20 years) but they are not what you would call a bargain.