I put a MCP on another TT 46 Pro that I had in a 4*40. I wantyed to do a test all in one day to the results were meaningful

TT .46 Pro
15% Nitro
Stock Muffler w/o baffe and w/ Stinger drilled out to 3/8"
10x7 APC
13800 max

Same engine
Same Fuel
1.75"x6.5" MCP 9/32" K&S Aluminum Stinger 1" inside and 1" outside
Same Prop
15000 Max

Same engine
Same Fuel
1.75"x6.5" MCP 9/32" K&S Aluminum Stinger 1" inside and 1" outside
10x6 APC
15900 Max

I know these are no Fun Fly Props but you will be spinning 11.5x4, 12x4 and 12.25x3.75 props similar RPM's.

Throttle response was great after a bit of low end needle tweaking.

The engine was super quiet at all settings but full throttle.

Here's my MCP: