- 8 Inch Western Star 4900 Heritage OEM Style Elbow Exhaust KitStarting At$2,825.28DF-KWSH-805052CP-MITER8 Inch Western Star 4900 Heritage OEM Style Elbow Exhaust KitStarting At$2,825.28DF-KWSH-805052CP-STRT8 Inch Western Star 4900 Heritage OEM Style Elbow Exhaust KitStarting At$2,825.28DF-KWSH-805052CP-TECH98 Inch Western Star 4900 Heritage OEM Style Elbow Exhaust KitStarting At$2,848.97DF-KWSC-805052CP-MITER8 Inch Western Star 4900 Heritage OEM Style Elbow Exhaust KitStarting At$2,848.97DF-KWSC-805052CP-STRT8 Inch Western Star 4900 Heritage OEM Style Elbow Exhaust KitStarting At$2,848.97DF-KWSC-805052CP-TECH98 Inch Western Star 4900/Constellation Exhaust Kit 2000-NewerStarting At$2,831.46DF-KWSFN-805052CP-MITER8 Inch Western Star 4900/Constellation Exhaust Kit 2000-NewerStarting At$2,831.46DF-KWSFN-805052CP-STRT8 Inch Western Star 4900/Constellation Exhaust Kit 2000-NewerStarting At$2,831.46DF-KWSFN-805052CP-TECH98 Inch Western Star 4900/Stratosphere Exhaust Kit 2002-2007Starting At$2,862.36DF-KWSFN-805052CP-1-MITER8 Inch Western Star 4900/Stratosphere Exhaust Kit 2002-2007Starting At$2,862.36DF-KWSFN-805052CP-1-STRT8 Inch Western Star 4900/Stratosphere Exhaust Kit 2002-2007Starting At$2,862.36DF-KWSFN-805052CP-1-TECH98 Inch Western Star LowMax Flat Top Cab Exhaust Kit 2002-2006Starting At$3,421.65DF-KWSLM-805052CP-TECH98 Inch Western Star LowMax Flat Top Cab Exhaust Kit 2002-2006Starting At$3,421.65DF-KWSLM-805052CP-STRT