Add to Cart 2000-2005 CHEVROLET Impala, Monte Carlo 3.8L Catalytic Converter 509412A Engine: V6 3.8L Location: Center Warranty: 5-year/50,000-mile limited warranty DIRECT FIT CATALYTIC CONVERTER: Premium Quality Materials and Construction. Higher Loaded substrates for today's demanding applications, Designed for aftermarket OBDII requirements in 48 states and CANADA. 100% EPA Approved O.E.-Style Precision... (1) MSRP: $225.95 $159.95 Add to Cart Add to Wish List Add to My Wish List Create New Wish List Compare