Aftertreatment isx 871 part 6 conclusion

We conclude the isx 871 regen system with final thoughts and some tips.

[@kevincook9715]

Awesome stuff. Thx

[@bryanrodriguez8789]

Thank you for this informative video series, I'm looking forward for the next one

[@keithorr]

871 is good in Calif until the end of 2022.