BAD?
#3
There will be no negative effects to changing the mouthpiece, or blocking the EGR, you're probably going to hurt you engine if you don't block the EGR
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Horns (02-20-2011)
#4
#5
the LLY was the first series for all engines to have an EGR, the 07.5 LMM is the first series to have the DPF in the exhaust
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Horns (02-20-2011)
#7
#8
#9