Lexus GX4702006 Lexus GX470 Exhaust Rear Flange Kit Gasket $150before: 2005 Lexus GX470 Exhaust Aftermarket Muffler $250, Walker Heavy Duty $350, Walker Commercial $450after: 2005 Lexus GX470 Exhaust Aftermarket Muffler $250, Walker Heavy Duty $350, Walker Commercial $450Land Rover →