http://www.3800performance.com/Merch...roduct_Count=2


i alwayse thought they were the same as headers.whats the diff?do they really work

 

Those are nothing more than stock "headers" ported. The difference in t i t l e is the slang. The PROPER terminology is manifold. But most motor heads use the term headers, because they come off of your heads. I honestly think that they would work, but if you are looking for a real decent improvement, you might wanna go beyond that. It also depends on your engine.

 

PEM's are a great mod if you are just a little more than stock, but if you are going to really mod the car go with headers.