Quote:
Originally Posted by Dblock2151
Awesome, can't wait to see how fitment will be! Thanks for doing this!
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I did a test fit yesterday, and they're looking pretty good. They definitely bolt right up and don't interfere with anything. The flanges are clocked correctly, but might be off a degree or two in how they're angled. In the pictures everything is loose fitted except the header-to-mid-pipe connection. It may that all hangers downstream aren't snug or that the flanges are off a degree or two, but I think they will be OK when tightened down and heat-cycled.
The only other problem is the lower o2 sensor on the rear header will hit the floor pan. If the bung were clocked just a few degrees more, there'd be no problem. I can probably get the sensor in as is, but it will rub.
Overall, this job is a complete painintheass, but I'm very happy with the quality/fit of the headers, especially compared to the nightmare stories I've read about others having to re-weld flanges, grind motor mounts, etc. They even got the clearance for the sway bar right.
Question - do I even bother running rear o2 sensors? Is there any advantage with an EU2 tune or otherwise? The alternative would be to get a 45 deg angled spacer/adapter, and then that sensor will fit just fine. I'm leaning toward just buying 2 new ones for the front and skipping the rears.