I have a 2000 ws6. I was looking at the jet power control module. They say it adds 20hp and 20 tq at the wheels maxamizes timing and fuel curves and firmer shift points for 250 bucks. Is this worth is or should i spend the extra 170 bucks. i Recently ran a 13.4 at the track how much will this module add? How much will the predator add? please help i just want to get the most performance gain for the buck