You could call it the Mr. T edition nothing sounds beefier than Mr. T.
On a serious Note magnaflow, Flowmaster, Borla are all reputable companies. Not sure if anybody makes a true Cat back system yet. You might need to buy the muffler and have a garage bend the pipe for you.
An exhaust....
actually, I'd be willing to bet there is little to zero HP gain from a whole new cat back system on the 4runner similar to what has been proven via dyno for tacomas. The only system that provided any gain was dynomax, that being said you could just swap out mufflers to save some money and get the same thing.
Kindergarten let out early this year?You cant because it has 6 cylinders. Sounds almost as bad as the rats running under the hood of a 4 banger.
This should do it for the intake.
Electric Turbo Charger
Don't forget to mod the exhaust either.
Whistle Tip