Alright my buddy has a Toyota 4-Runner with a TRD supercharger and K$N intake, the rest is stock. He's running 8psi right now on stock everything (no fmu) Now he wants this thing to go faster and I keep giving him advice but I realize I'm giving him advice for a turbo. So what do you reccomend for exhaust, fuel mamagement ect...

 

He's running boost with nothing to control fuel?

What year is it? I seen a ~2000ish in Glamis with a TRD kit that hauled *** down the drags. It sucked because the suspension was ----, but it got up and went.

For fuel the only thing I could think of is SDS(Simple digital systems), but that ---- is expensive.
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I told him the best thing to get was an exhaust. He was looking at a full TRD exhaust but it was like $2,000 and I said ---- that. I said just get a custom 3inch. He might have a TRD computer but I'm not completely sure, I just know its not detonating. I told him to at least get a wideband and an air fuel gauge so we'd at least know what we're working with...

 

superchargers are like turbos for exhaust were you cant go to big. Headers and free flowing mufflers are the key. I also dont know what trd uses for management but I think it might have some extra injectors A wide band would be nice you dont want to lean er out

 

get a smaller pulley?