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View Full Version : Exhaust Flange Questions - Need Help



Dugz15
08-01-2025, 07:24 PM
Hi all,

Picked up an 818s close to a year ago (I believe metalmaker was the original builder, I'm the 5th owner). I'm working on routing the exhaust through the back bumper while keeping the existing turbo wastegate flange. I can't seem to find the correct female flange for my set up. Included a photo of it next to a 2.5in summit vband flange. Any help would be appreciated.

Thanks all

Dimensions:
Flange OD 3.1130in (79.07mm)
ID 2.0785in (70.7mm)

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