This post came directly from my acount on tacoma4g.com BUT the same applies to the 4Runner.
I'll preface this by saying if you're a 33 & below you probably won't need to do this, but I'm not sure. I don't think it'll hurt to do either way. After a little bit of trimming I was able to fit some...
I had bought a 60% delete for my 4GT from the tacoma4g forum and it came with incomplete hardware as well d/t the rivnuts being used. I can attest to them getting new hardware out & being quick with responses. They do have that down forsure.
That is something that I would let @JustDSM explain as he's the mastermind behind it all. For short I know upgraded turbo, and so on...
Edit: I know stage 2/3 is being developed for the 4GT - I'm sure the 6G4R is a similar path so don't let me misspeak
I will go full stage 3 and end up upgrading the entire system whenever it’s ready from OTT, until then I’ll hold off on everything. The tune is safe so I’m not concerned about it.
How new is your vehicle? Ours had a similar smell as well but I attribute that to the engine components being new...
I also did mine! 6 miles on the dash. It's by far top 3 mods you can do.
https://www.4runner6g.com/forum/threads/mudbath-mania-i-tuned-both-of-my-new-vehicles-with-ott-in-the-dealership-parking-lot-and-why-id-do-it-again.7019/