lazybean Member Joined Apr 28, 2010 Messages 416 Feb 20, 2013 #1 Just a quick question Are the exhaust headers interchangeable between a B18C4 and a B18C6?
KieranEG6 Argumentative!! Donator Joined Dec 4, 2009 Messages 1,822 Feb 20, 2013 #2 Yes both have the same 2.25" donut joint on the bottom. As long as both are standard and using standard cat or 2.25 collector decat.
Yes both have the same 2.25" donut joint on the bottom. As long as both are standard and using standard cat or 2.25 collector decat.
lazybean Member Joined Apr 28, 2010 Messages 416 Feb 20, 2013 #3 And they both have the same pattern on the head?
KieranEG6 Argumentative!! Donator Joined Dec 4, 2009 Messages 1,822 Feb 20, 2013 #4 Yup. C4 only has the intake stud difference.
