Thread: 2017 SS A8 with twins
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Old 01-24-2017, 05:46 PM   #29
Goertz
 
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Drives: 2016 1SS Auto
Join Date: Mar 2016
Location: Houston
Posts: 530
your factory header flange is 3bolt (where the cat connected)? Am I missing something?

Mine were 4 bolt on my 16 ss a8

is there a difference? Maybe I'm seeing the picture weird
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