Laser 3D and YS45
If you go with the stock YS muffler then the Laser 3D would be fine but not over powered. To make the YS really shine it runs best with the Performance Specialty Ultra Thrust muffler but it tends to have peaky powerband that won't suit the Laser 3D. A good trade off and a great combanation is the YS/Ultra Thrust in a Sig Sonething Extra, still a lasercut kit but more suited to the power band of the YS. I had that combo and it was awesome! I've also done the Laser 3D with an OS .50.
Either way you go, run a low pitched prop, 12.25X3.75 APC works great with either combo .
Good luck,
Rob