i am in the process of doing a B16 swap into my 88 crx i do not have a downpipe and i was woundering if i had to use a down pipe from a B series motor or if it could come off of another motor? the B16 i am using is 1st gen. thanks

 

just a one pice 4-2-1 dc headder will fit fine and you dont need to change the rest of ur exaust or anyother headder that will fit the b16 motor will fit except the 4-1 headder its a tight fit with out cutting the crossmember dont forget to put a dent on ur frame rail so the alternator will have clearence