I have been using a Wilson Cell Antenna and Amp for some time now. I had it rigged as a portable unit. But, today I mounted permanent.
I mounted the Amp under the dash in the passenger foot well on the fire wall. I made some standoffs so it could cool properly, as it gets pretty warm.
Next I ran the Amp output cable up to the dash area via a small hole with a rubber grommet.
Does it make a difference. Here is a before and after photo. These photos were taken at Cider Ridge COE park in Belton, TX.
Before - No Antenna/AMP
After - With Antenna/AMP