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Old 07-18-2013, 07:21 PM's Avatar is offline
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Just looked at a similar setup today. Use 3 1/2" reducers from header to 2 1/4" e-pipe and cutouts at the junction of reducer and e-pipe. Same size as e-pipe, grafted to and angled out from pipe towards rear. About three inches, with a simple three bolt cap.

Was a very clean looking install on this (Nova)car.
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