Seeking Feedback For Performance Mod's List

What's up TW...Merry New Year
I'm going to do a big performance upgrade to my truck this year (install all at the same time) and am starting a parts list. I've done some research on TW and online
(Looks like URD has some good stuff).

I came up with a list of parts and would like some feedback, and have a couple questions.

Here are my questions:
1) Are there performance parts I am missing?
2) Are there any suspension mods I could make to improve body roll and corning? (Stock leaf springs with 100K miles. I drive far distances on highway to ride dirt bikes.)
3)Anyone have any "guess-timates" for what this will bump horsepower and torque output to? (Not looking for definite numbers...just ball-park).
4) Do you think a good independent Toyota mechanic can do this work? (We have good independent mechanics where I live, for every manufacturer.)

Thank you,
Micah
My Truck: 2013 TRD Sport DBL Cab 6’ Bed V6 AUTO

Performance Upgrade Parts List
Supercharger (Magnuson)
URD Supercharger Pulley
URD Mark3 Exhaust (*I don't want anything excessively loud. Just trying to open up the flow.)
URD Spec-U LT Headers
URD Fuel Pump/Filter Upgrade Kit
URD Throttle Body Adapter
Spark Plugs (*Need suggestion for good spark plug for this set-up).

Current Upgrades
Bilstein 5100 shocks (front & rear)
EBC rotors & pads (Installing next week)

 

I'd buy a newer truck.. so I wasn't modding more $ than the value of my truck..
But then Mines older than o.p

 

I'm sticking with this truck. I bought a new Tacoma so I wouldn't have to buy a new truck for 10years. I could do all these mods and buy a new dirt bike and a new street bike for the cost of a new Taco'...and instead of having one new taco I would have a badass taco and 2 motorcycles

Also, the headlights on the 3rd Gen suck (I've driven one at night). The headlights on the 2nd Gen are amazing. There is a safety issue driving at night in rural Colorado with the deer and elk. The 2nd gen headlights light up entire canyons and the sides of roads.

 

The Magnuson doesn't come with new spark plugs? If not minimum

$9 Denso IKH22 Iridium Power Spark Plug, (Pack of 1)

Denso IKH22.

O2 simulator, unless you plan on also getting a UCON Advanced Engine Management system. Then it has an internal O2 sim.

New exhaust gaskets, unless the headers come with them.

Wideband AFR gauge.

 

Thank you for the recommendations. URD sells a O2 Simulator and the Denso's (if not included with the supercharger I can buy separately). Those are on my list now...thanks again.

 

You're welcome.