Yes , Sari Bs-6 vehicle diesel varient me DPF function available hai, Silencer temp. 500° se uper hone k bd dpf function automatically work krega . If vehicle jada kam running hoti hai to weak me 2 baar vehicle 10-15 min start kr k chor dena aur DPF switch press kr dena nahi to weak me 1 baar vehicle ko long drive pr le jana cahiye jisse silencer temp 500° tak chala jaye.