Couple weeks ago I bought a Trektop NX at truck and jeep fest and installed the next day, Love it but yesterday it was 85 degrees and I took of side windows and rear window and at speeds over 50 mph the top was flapping very violently in the rear. I though that that aluminum rear arch was going to break. Tried opening and closing windows to see if it would help but alas nothing changed. I spent the extra $100 for the NX so i could have the bikini feature but now its just useless unless I only use it in town(which wont work for me) or on the trail(which is fine). Anyone else experience this and how did you fix it if you did

 

I run in the bikini mode with half doors most often and haven't experienced any bad flapping. Not sure what the issue could be

 

Check your install. I forgot to put the rear bar through the sleeve and it flapped. I took bar out and reinstalled it in the sleeve of the top and that fixed the flapping.

 

Checked everthing. Even pulled bar outta flap to make sure no upside down. Its flapping right over back seat arch. Like 3-4 inch. Afraid it'll bend that arch. Windows on fine not window flap flap flap

 

Do you have the center round bar clipped to the hard top holes with the provided nylon straps?

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Yep..........

 

Mine did the same thing and I had everything correct. Used bungee cords till I got it home, went back to stock soft top....probably sell it cheap this summer

 

Idk what to think about it. I watched video on youtube again (by besttop) literally took it off and put it back on and still same thing. Kinda pisses me off

 

Let me know how much you want lol!

 

Bump for more info plz