Fitting Vehicle Options: K1(LQ4,M32)(MAY BE BUILT W/1ST DES O/PAN W/BYPASS VLV & 13/16 O/FLTR FITTING USEPF46, OR 2ND DES PAN W/M22 O/F FITTING USE PF48.), CK157(43)(LQ4,MT1)(EXC KL5)(MAY BE BUILT W/1ST DES O/PAN W/BYPASS VLV & 13/16 O/FLTR FITTING USEPF46, OR 2ND DES PAN W/M22 O/F FITTING USE PF48.)