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3 inch about a foot after the y pipe into a flowmaster in with a dump, did you have to wire the o2 up or no?
Joe flowmaster sucks I like the sound but they are expensive and flow very poorly, trust me i had them with cutouts when i cracked the cutouts open about halfway it was like night and day. I would go with flowtech after burners if you want a nice muffler sound and flow good and are cheap. I was thinking about switching to them, how does my truck sound from the outside cruzing and getting on it ? U think i should change it ?
I dont have a Y pipe.. but the before cat O2s screwed right in with no wire extensions or anythin
that muffler does sound like **** when getting on it but just cruisen it sounds nice but i cant figure out why the truck is misfire really bad on the top end.
that muffler does sound like **** when getting on it but just cruisen it sounds nice but i cant figure out why the truck is misfire really bad on the top end.
Is it after header install ?? might left somthin loose or damaged a plug during install