Well, headers kinda ensinuate DP, as they all come with one.
I bought TOGS and had to third party DP. Lets face it, who doesnt love a 3rd party DP...
2000 Daytona 500 - Tog Headers with catted Downpipe, EGR Delete, 180* Thermostat, Solid engine mount, Poly tranny mount/Dogbones, K&N CAI with a custom tune.