Forum Discussion
4x4ord
Jul 12, 2013Explorer III
Goose2448 wrote:
Rob Codenns, Idaho Rob, has been testing DPF in place tuning on his LMM. Been seeing a solid 3+ MPG gains and fewer regens. Guess GM doesn't always get stuff right.
Just because the thing produces less soot and requires fewer regens doesn't necessarily mean that it is producing less pollution.
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