Item fits Sentra models with 1.8L 4cyl engine from 2013 through to 2017 for bank 1 or front down-pipe unit, FEDERAL EMISSIONS ONLY. California emissions will have a converter and manifold assembly, along with a secondary unit. Direct fit unit ensures proper fitment and easy exchange with OEM unit. California emissions vehicles have a manifold converter unit plus a rear unit. Make sure your vehicle has Federal emissions when purchasing (2 converter bodies on the assembly like the picture and not one) OBDII-configured catalyst technology ensures proper performance and emissions.

GASKETS AND SPRING KITS INCLUDED !!