Fits 2003 2008 Pontiac Grand Prix 3.8L Direct Fit Replacement Exhaust 106 0234 egt sensors Reference Number Reference Name K050665 D290 0463 B Reference Number Reference Name K050665 Gates 4050665 Continental ContiTech 5050665 Dayco 21006894 OEM Part Number 5PK1689 Goodyear Alternate P N 25050665 NAPA 5K665 AC Delco 5PK1690 Bando 5PK1685 Bando 5PK1695 Bando 3L 1955 1956 Chevrolet Bel Air Base 6L 3 BRExhaust Direct Fit Replacement Exhaust Kit 106 0234 takes the guesswork out of replacing your exhaust system while providing a reliable and high quality alternative to the OEM exhaust 106 0234’s precision mandrel bent pipes facilitate superior exhaust flow compared to the crush bent pipes commonly used in competing aftermarket replacement exhaust systems