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best headers/ bang for a buck

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Old 02-23-2008, 11:35 AM
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what size primaries are on the obx headers?
Old 02-23-2008, 01:25 PM
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I have OBX's and I wish I would have measured them before I put them on.

Ive heard that they have 1-3/4 primaries and like 2.5inch collectors.

I wish I would have done more reasearch on headers before I bought my OBXs. Becuase it looks like the OBXs are way to big for a relatively stock 5.3.

They are really well built headers, but I havent noticed any diffrence from them.

Ive heard that 2 into 1 headers are really good for low end and power thorught the rev range. Does anybody around here have any?
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