• Are modern diesels still really bad for PM2.5 and other emissions, euro 6 and DPF etc still not up to scratch? Is the greater MPG and stuff seen as insignificant compared to the air pollutants?

  • However well it works from new I can’t imagine any of it is going to age well. People will be routinely deleting or defeating it the same way they do DPFs and EGRs.

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