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ARH headers 1 3/4" 0r 1 7/8"
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01-02-2010, 04:22 PM
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Bentley78
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Drives: Avalanche Z/71, 2010 Camaro2SS
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Posts: 590
I have the exact same setup and am confused myself....it seems to be the 1 7/8 is the way to go, i think 1 3/4 is for forced induction setup, i could be wrong but thats what im taking from other peoples conversations.
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