I am not a dealer/owner for unleashed tuning he just has everything already on the site and good prices
http://www.unleashedtuning.com/09-15-taurus-3-5-sho-ecoboost-dual-valve-catch-can-css-black/ this will help keep valves clean and from oil pulling in the Intercooler
http://www.unleashedtuning.com/programmers-electronics-11/
Buying a programmer will let you feel the true power also unleash hidden power
If you want to get a tune to unleash most power getting colder plugs ,3 bar map sensor and thermostat should be done as well.
Map sensor
http://www.unleashedtuning.com/ecoboost-3-bar-map-sensor/
Sparkplug's
http://www.unleashedtuning.com/ngk-spark-plug-1-heat-range-cooler/
Thermostat
http://www.ecopowerparts.com/shop/index.php?main_page=product_info&cPath=1&products_id=27
http://www.unleashedtuning.com/jms-pedal-max-2011-2017-ford/
This helps if you have a lead foot and care about trying to get better mpg without spending a lot for a programmer.
http://www.unleashedtuning.com/stainless-works-2010-16-v6-downpipe-with-high-flow-cats/ these do the most for getting rid of restrictions in the exhaust a must do before or same time as the exhaust better sound with stock exhaust but if you want more sound also get a cat back exhaust
All different price points the catch can being probably the most important.
There are lots more you can do but these are good options as a present
But if interested there is also:
Change all fluids to ams oil
Oil, ptu, transmission,rear diff.
meth injection
Nos
higher fuel pumps low pressure and mechanical high pressure
Rebuild turbos or slightly bigger size turbos
Shocks/springs or coilovers to make the back level with the front or bring the whole car lower or to handle better at the track for track also need sway bar adjustments
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