Part Number: 319900 1997-1998 Ford Expedition Gibson Exhaust System Swept Side Polished 1997-1998: Eddie Bauer; 8Cyl 4.6L; 1997-1998: Eddie Bauer; 8Cyl 5.4L; 1997-1998: XLT; 8Cyl 4.6L; 1997-1998: XLT; 8Cyl 5.4L; $397.64 Gibson Swept Side Exhaust Systems Part Number: 319991 1999-2002 Ford Expedition Gibson Exhaust System Swept Side Polished 1999-2002: Eddie Bauer; 8Cyl 4.6L; 1999-2002: Eddie Bauer; 8Cyl 5.4L; 1999-2002: XLT; 8Cyl 4.6L; 1999-2002: XLT; 8Cyl 5.4L; $397.64 Gibson Swept Side Exhaust Systems Intermediate pipe is 2.500 inch x 3.000 inch diameter. Part Number: 319999 2003-2006 Ford Expedition Gibson Exhaust System Swept Side Polished 2003-2004: Eddie Bauer; 8Cyl 4.6L; 2003-2004: XLT; 8Cyl 4.6L; 2003-2006: Eddie Bauer; 8Cyl 5.4L; 2003-2006: XLT; 8Cyl 5.4L; 2004-2004: NBX; 8Cyl 4.6L; 2004-2004: $397.64 Gibson Swept Side Exhaust Systems Part Number: 619999 2003-2006 Ford Expedition Gibson Exhaust System Swept Side Polished 2003-2004: Eddie Bauer; 8Cyl 4.6L; 2003-2004: XLT; 8Cyl 4.6L; 2003-2006: Eddie Bauer; 8Cyl 5.4L; 2003-2006: XLT; 8Cyl 5.4L; 2004-2004: NBX; 8Cyl 4.6L; 2004-2004: NBX; 8Cyl $546.81 Gibson Swept Side Exhaust Systems Part Number: 69600 1999-2002 Ford Expedition Gibson Exhaust System Dual Sport Polished 1999-2002: Eddie Bauer; 8Cyl 4.6L; 1999-2002: Eddie Bauer; 8Cyl 5.4L; 1999-2002: XLT; 8Cyl 4.6L; 1999-2002: XLT; 8Cyl 5.4L; $624.01 Gibson Dual Sport Truck Exhaust Systems Intermediate pipe is 2.500 inch x 3.000 inch diameter. Part Number: 9400 1997-1998 Ford Expedition Gibson Exhaust System Dual Sport Polished 1997-1998: Eddie Bauer; 8Cyl 4.6L; 1997-1998: Eddie Bauer; 8Cyl 5.4L; 1997-1998: XLT; 8Cyl 4.6L; 1997-1998: XLT; 8Cyl 5.4L; $478.50 Gibson Dual Sport Truck Exhaust Systems Intermediate pipe is 2.500 inch x 3.000 inch diameter. Part Number: 9522 1999-2002 Ford Expedition Gibson Exhaust System Polished 1999-2002: Eddie Bauer; 8Cyl 4.6L; 1999-2002: Eddie Bauer; 8Cyl 5.4L; 1999-2002: XLT; 8Cyl 4.6L; 1999-2002: XLT; 8Cyl 5.4L; $478.50 Gibson Dual Extreme Split Side Exhaust Systems Part Number: 9600 1999-2002 Ford Expedition Gibson Exhaust System Dual Sport Polished 1999-2002: Eddie Bauer; 8Cyl 4.6L; 1999-2002: Eddie Bauer; 8Cyl 5.4L; 1999-2002: XLT; 8Cyl 4.6L; 1999-2002: XLT; 8Cyl 5.4L; $478.50 Gibson Dual Sport Truck Exhaust Systems Intermediate pipe is 2.500 inch x 3.000 inch diameter.