95 F150 E.B. edition
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Joined: May 2010
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From: chillicothe mo
95 F150 E.B. edition
i removed my muffler and second catalytic converter, and replaced them with an 18 inch glass pack. now i have removed the glass pack and hollowed out the cat and have a straight pipe running through the back. my question is...will this hurt my motor in anyway? i have a 300 straight 6 with the O2 sensor coming off the headers.... will i have enough back pressure to avoid any damage? or should i put the glass pack back on with the hollowed out cat?
