High performance machines like the 900 Hornet and VTR 1000 Hondas like this need the exhaust gad flow to be perfect, a weak mixture caused by exhaust gasses escaping or partially by-passing the exhausts system will confuse the engine management system, and take the edge off your performance. If you are not sure, perhaps renewing this part may be the safe bet? For all your Honda consumables and replacement parts try browsing the online catalogue for your model?
