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Old 08-26-2021, 03:41 AM   #3
4/86 SE-V6 2 tone 4x4 HB
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Join Date: Apr 2013
Location: Oregon
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Vehicle: 1986.5 SE-V6 4WD D21, 2003 Audi A4 Avant 3.0 Quattro
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It's likely an emissions thing. If you need an extra bung somewhere an exhaust shop should be able to make a hole and weld one in. Same for moving a bung.

I have 90-95 3.0 V6 headers on my 86.5 with a 3.3L V6. The difference for me was the emissions bungs. Also my Y pipe wasn't wide enough but not something you have to worry about with the KA.
1986.5 SE-V6 4X4 D21 Hardbody
Pacesetter Long Tube Headers
Morimoto Mini D2S HID Projectors and Hella 500s
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