Trick flow intake nut

[RAYMOND258]

Can someone tell me how to take the back driver side nut off upper intake.I use box wrench and a socket no luck

 

[BLOWN 5.0 FOX]

Your best bet is a small box wrench and try and break it free. Due to the clearance they can be a pain. 3/8" I believe

 

[TrickFlow]

If you break/strip it, let me know, i have some you can have