On my old 2UZ Tundra I ran headers, "high flow" cats, high flow Y pipe, resonator and muffler. I did the whole exhaust from stem to stern and it was definitely a poor return on investment as far as power is concerned. Do it for sound but don't expect a 2UZ to really respond with performance...
Oops, I was under the impression that it was. Guess you just get a different body for your $40-50k.
My point is that the lines between all of the truck/SUV models are quite fuzzy now.
It was a joke...
LX is a GX with an electric motor a bigger body
GX is an LC with a different power plant
LC is a 4R with a different body
4R is a Taco without the bed
Taco is a Tundra with a smaller body and engine
Tundra is a Sequoia with a bed
All on the "same" frame, just two different...