380bhp with torque to match will feel much faster than the 300bhp you have now.
Almost all the cossie tuners will have a relatively simple off the shelf 380bhp package, although obviously you are better off having the map tweaked for your car as sometimes there can be a variation between seemingly similar cars.
Problem is, torque and power is addictive and after a few months with the increased performance, you will get used to it and want more

