open headers vs catted y-pipe and loudmouth
#1
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open headers vs catted y-pipe and loudmouth
i am currently running open headers and it feels weak to me but i have not had it to the track since i had open headers. I had slp loudmouth and 3 in y-pipe with high flow cats before. Did i lose hp or gain or what????
Thanks
Thanks
#2
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running open headers you will lose power b/c air is going to be washing over your o2 sensors, giving you a bad reading. slap even just a y-pipe on there and you'll gain most if not all back.