Key Features: A high flow design provides more oxygen to your engine. thereby increasing power and performance. Fully tested for heat resistance and long life in extreme conditions. Stable characteristic, high reliability. Easy to install. Direct fitment, no modification needed. It is a good choice to replace an old one. Compatible with: For Infiniti FX35 3.5L RWD 2003-2008 For Infiniti G35 3.5L RWD 2003-2007 For Infiniti M35 3.5L RWD 2006-2008 For Nissan 350Z 3.5L 2003-2007 Number: 16198, 16197, 43214, 43215 Placement on Vehicle: Front Left and Right Outlet type: Single (2-bolt welded flange) Outlet Inlet type:; Single (3-bolt welded flange) Inlet Package Included: 1 Pair of Catalytic Converter Note: The colors may be a little difference for the different monitor display Please check as much as possible to make sure the item is the one that you need. Please allow 0.5-1 inch difference due to manual measurement.(1inch=2.54cm)