Position: Downstream. LEXUS RX350 2010 3.5 V6 2GRFE Front Rear. LEXUS RX350 2009 3.5 V6 2GRFE. LEXUS RX350 2008-2007 3.5 V6 2GRFE. LEXUS RX350 2008 3.5 V6 2GRFE Japan Built Vehicle. LEXUS (cont'd) RX350 2007 3.5 V6 2GRFE Japan Built Vehicle Japan Built Vehicle.