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The reply I hear from Porsche service on occasion is that the grills could increase engine temperatures as the airflow is more obstructed, and leaves may block the grills covers completely while driving rather than passing through, again leading to higher temperatures.
I don't buy those "explanations." As to the first one, how much airflow could open grills block, seriously? As to leaves blocking the grills, the leave could just as easily block the radiators.
Before I install the grills, I plan to vaccuum out the leaves and brush the bugs off of the radiators since they'll be so much more accessible.
I never though a rock might puncture the radiator.
I wouldn't have thought so either, though I guess if something heavy enough and sharp enough hits the radiator at a high enough speed it makes sense.
Worth noting that my insurance adjuster seemed slightly skeptical about it, but said since he couldn't disprove it, insurance would cover the repairs. It was the dealer's explanation for why the coolant suddenly ended up on the side of the highway, making the car un-driveable. But it did, maybe conveniently, allow the dealer to disclaim any warranty coverage.
I added my RGS guards to the Macan today. I might still adjust them but the protection is in place for now. I took some close up photos to try and clearly show the routing of the zip ties so they aren't visible from the front. Hopefully this is helpful to anyone else doing this install, whether using grills from a supplier or DIY. Right side guard installed
Thanks, Shifty Wolf. I ordered my RGS radiator grills and they should be here in time for me to install them next weekend. In your installation photos, the zip ties are completely invisible, thanks to the "loops" behind the slats.
@David Berry you might take a quick look at my photos to see the loop locations behind your plastic slat. If you want, you could pretty easily re-run your zip ties and make them far less noticeable. Just a thought but it does tidy up the install.
The presence of zip ties on the front of a $100K car is questionable, but as long as you are good with it, that's what matters. Zunsport is pricier, but a much better presentation.
I just ordered these same ones ($50) and they are both fantastic and a bargain at that price. There's no need to zip tie over the slats and in fact their instructions say to zip tie to the 3 loops on the back of the slat as shown in other posts here, which is what I did. What I also like about these over the others shown in this thread is that these come with a rubber surround that covers the sharp edges thus helping not scratch anything on the way in, and they give it a finished look once installed as they are pretty much out of sight.
