Front end whistle
2018 Windsport 29M
The whistling noise on Windsports and others is well known. Was so loud I couldn’t hear the radio. Many articles posted here in the past. The cause is the design of the grill. The openings in the grill whistle while driving, especially at highway speeds. I worked with my dealer and Thor sent a screen that mounts behind the grill to create different geometry of the openings. Simple install, just use zip ties to connect it to the existing grill. If you don’t have a dealer u can probably go directly to Thor about it but have heard some folks have difficulty with that. Confounding that it’s still an issue, can’t imagine why they haven’t addressed it yet. This fix assumes your windows are closed right etc. if you search this forum you can find some of the old articles, some with photos.
Hope this helps.
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