The Alpine Racing TRX is a tube-frame cockpit, which is exactly why a universal extrusion mount will not help you. There is no T-slot to clamp into and nothing to slide along, so flight controls need a mount drawn around the chassis itself.

This is that mount. A left and right pair that fixes directly to the sides of the TRX with no adapters, no additional profile and no drilling, using the fixing points the cockpit already has.

Both sides adjust for position, so a stick and throttle end up where your hands sit rather than where the bracket allows. It sits with the rest of the hardware mounts.