Back pressure was horrible on the stripped out stock pipe That has been on it plus being all original never been opened till the other night I figure the rings are about done and she needs a face lift I've never had issues with her ever the ex we have locked the piston to wall and the demon still kept strong mud dirt didn't matter the ex was rebuilt with cam and all and she purz but the warriors been reliable for 12 years now so a face lift is something she deserves the Hondas going down lol