Pontiac Torrentbefore: 2007 Pontiac Torrent Exhaust Primary Catalytic Converter, Aftermarket $350 or OEM Grade $500after: 2007 Pontiac Torrent Exhaust Primary Catalytic Converter, Aftermarket $350 or OEM Grade $5002006 Pontiac Torrent Exhaust Aftermarket Walker Muffler $250, Walker Heavy Duty $350 or Walker Commercial $450before: 2007 Pontiac Torrent Exhaust Flange Gasket Spring Kit $150after: 2007 Pontiac Torrent Exhaust Flange Gasket Spring Kit $150Land Rover →