Fit NISSAN MAXIMA 3.5L FRONT MANIFOLD/ REAR MANIFOLD AND REAR FLEX PIPE WITH CATALYTIC CONVERTER- 2004 2005 2006 . NO SENSOR PORT ON FLEX PIPE . THIS MODEL DOESNT HAVE SENOR PORT: THESE MODEL HAVE 2 STYLE ONE WITH SENSOR ON FLEX, AND ONE WITH-OUT SENSOR PORT ON FLEX PIPE. PLEASE CHECK YOUR MODEL BEFORE ORDER. OEM style and Performance Upgraded Model. WE CARRY BOTH MODEL PLEASE CHECK OTHER LISTING OR EMAIL US. PRICE IF SOLD INDIVIDUALLY -FRONT MANIFOLD $175 AND REAR MANIFOLD $165 AND FLEX PIPE $200 *PREMIUM DIRECT-FIT ? HIGH QUALITY MATERIAL ? OE STYLE & PERFORMANCE** BRAND NEW!!!