ZR-1 Net Registry Forums - View Single Post

mike100 · 12-22-2013

I ran them with cats, but any small exhaust leak will cause the backfire. My leak occurred in the resonator. If you still have the air injection pump running during warmup, pull the fuse- that also contributes.

12-22-2013	#3
mike100 Join Date: Feb 2011 Location: San Marcos CA Posts: 1,802	Re: Installed Corsa's I ran them with cats, but any small exhaust leak will cause the backfire. My leak occurred in the resonator. If you still have the air injection pump running during warmup, pull the fuse- that also contributes.