Item fits all Chrysler 300 rear wheel drive models with 2.7L V6 AND 3.5L V6 engine from 2005 through to 2010 for the left side (driver's side) and Right Side (Passenger side). Will not work on all wheel drive models. Direct fit unit ensures proper fitment and easy exchange with OEM unit. OBDII-configured catalyst technology ensures proper performance, emissions, and no premature check engine light. Free exhaust clamp included with purchase. DUE TO SIZE ITEM SHIPS IN 2 PIECES, required clamps included with purchase.