An exhaust component arrangement is provided for an off-road vehicle having an engine, a cab, a transmission connected to the engine, and a fuel tank adjacent the transmission. A portion of the fuel tank is positioned below a portion of the cab. The exhaust component arrangement includes a particulate filter unit, a NOx reduction unit, and an oxidation catalyst unit, all connected in series. The fuel tank has a recess formed in an upper surface thereof. A lower portion of one of the units is received in the recess. Preferably, a lower portion of the NOx reduction unit is received in the recess.