Chances are no improvement with higher end jumpers. I've also done the internal wiring, or should I say a well trained tech did it for me. He also bypassed the LED power meters and hardwired an upgrade power cable to the unit. This all improved it considerably.
Integrated Amp Jumpers
A while back I replaced the metal jumpers between the pre-amp and amp section of my int-amp with Audioquest jumpers, which are about 3 inches in length. I use Audioquest King Cobras and Diamondbacks for interconnects throughout the rest of my system. I was wondering if anyone knew if using a short length pair of Audioquest King Cobras or Diamondbacks would be an improvement over the Audioquest interconnects sold specifically as jumpers. Without special order I believe the shortest length available for the King Cobras or Diamondbacks is .5m. Any opinions are appreciated.