If you're doing a 2 bar map on a 5.7 you need to order one for an SRT4 and you will need an adapter block you will need to cut into your vacuum line from brake booster to intake manifold. Vortech makes one for about $60, the 2 bar is a bolt in and the stock one bar twists in, no real way to make one fit the other without removing the intake and doing some creative work, or order the Vortech part and it takes ten mins! .... Looks like the aluminum block to the top right of the picture I attached just right of the intake. Unfortunately there is no stock two bar that fits a 5.7...

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Wat does the stock map sensor stop at?

 

If your doing any kind of boost you will need a two or three bar... no way around it bud.

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K just makin sure. I'm putting it together this month wen school lets us out. Collage sucks for side time work