I had it off during routine maintenance.
Appears to be more of a 'noise encapsulation panel' than substantial protection for the underpinnings.
I'll leave it off for the summer and continue to monitor OBD-II IATs. And I never drive it in the rain.
What with stringent driveby noise requirements in many countries Porsche and other marques have been fitting these for decades.
The likelihood of me noticing any aerodynamic disadvantages without it in place are virtually nil.
The other underbody paneling is plenty slick and no doubt serves its purpose approaching 300 km/h!
Suncoast has experienced favorable results reducing the deleterious effects of track day heat soak by leaving its panel off...
718 Forum - Suncoast Project Car - With our project car fully up and running we wanted to give a little info about it as there aren't too many 718's at the track, at least not in FL as we've seen. Little back story, we used to run a 2008 Cayman S 6-speed that was built more as a little parts...