Anyone have Megan headers on their is250?
Try the search function, but i dont think the Megan's have any dyno backed results. PPE is typically the proven route to go. Many friends and myself have the PPE headers and love them. 
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Joined: Apr 2013
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From: La
Yea I've seen those as well... Would like to know the dif between the 2 I'm about do the aem intake and still not sure what exhaust but after that's done il be putting on a progressive n02 kit
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