Just purchased Kooks headers for my 14 scab. The info on the internet is contradicting when it comes to exhaust manifold stud size. Is it 10mm x 1.5 or is it 8 mm x 1.25 60mm long? Can anyone answer this definitively?
Been reading alot about this but just wanted the pro's from the Raptor community to chime in. Is it also true fluid doesn't flow to the cooler until 185?
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