Anyone know if I can manually turn up the boost on my 2014 1.6tdi?

No, this ain't the 1980's, every aspect of an engines performance is under the strict control of the ECU, you need to get it remapped.

Thanks dude, I'd thought as much, I've saving for a remap, I'd considered a second hand remapped ecu too as their around £80 cheaper but you never know what your getting