So I ordered a sprint booster from JasonB or burtman industries, and I have to say....
I was pretty skeptical, thinking its snake oil, hogwash, etc....but I have to admit I love this F@#$@# thing. Basically, the one thing I hated about the 4runner was the artificial throttle lag, and the sprint booster got rid of it, and on top of that, lets you set the sensitivity of the throttle response to your own liking. This is probably my favorite mod as of now because it got rid of something i HATED and then IMPROVED it.
Pros:
1. no more throttle lag.
2. no more trying to time your passing in bumper to bumper traffic
3. allows you to dial in your throttle sensitivity to match your stump leg
4. easy to install, and stupidly easy to adjust.
5. puts the smile back in my commute.
6. pedal lockout which acts like a immobilizer when you need to park your car for extended periods of time.
7. set it and forget it once you figure out what works for you.
Cons:
1. not sure if its worth that kind of coin if the current throttle response doesn't bother you.
2. 18 settings mean you kinda have to figure out what works for you.
3. you are basically paying somebody to fix a problem that toyota knowingly created.
4. maybe worse gas mileage, I don't know about that..I think it helps my gas mileage because I'm not mashing the gas pedal anymore to pass (now I try n feather the throttle like a normal human).
Lastly, Jason was a pleasure to deal with, even going as far to actually calling me to tell me my order was going to be slightly delayed. Yup, dood actually called me before a problem can arise, and yeah. he actually calls (not email, not text, and most importantly not disappearing with your money for weeks on end).
Also, Jason was the cheapest after tax and shipping (even beating amazon).