exhaust fitment question

D15, D16, D17 and Mini-Me swaps
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exhaust fitment question

By kt95CiviCDX
- Wed Apr 06, 2011 2:54 pm #248686 I was wondering if i do a full exhaust on my d15b7 will it bit on a b18b when i do my swap ? and what size piping is optimal for both ? would 2.5 work ?
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By Eg6H2D
- Wed Apr 06, 2011 8:58 pm #248733 It's all dependant on how much your motor is putting out. if it's a stock motor. 2.25" piping all the way would be ideal.. For heavily modified NA motor 2.5" is ideal. If your boosting 2.5-3.0" is needed!!
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By kt95CiviCDX
- Wed Apr 06, 2011 9:22 pm #248739 Ok so 2.5 will be ok on the d15b7 in the meantime...but will the exhaust bolt up to a b18b?
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By 94EJ2
- Thu Apr 07, 2011 3:43 am #248800 as long as you use a test pipe or start the exhaust at the cat i should be fine
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