Message: I have a 99 5.2L and my stock manifold is damaged and i have to replace it. I was told that I should get the MP 5249816 M-1. My truck is still stock for now so would this be worth it?
Message: If you do go that way a better choice would be P5007398, it's RPM range is 2000-5800, the P5249816, RPM range is 2600-6000. If your truck is mainly stock I would go with the first one because it has better torque down low, which is good for the street. I think they are both bolt ons with no major modifications but I have not installed one. Any one else put these on?
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Subject: M-1 Manifold