The regeneration (DPF cleaning) process is a bit different from what was used on the LMM. On the LML, a ninth fuel injector is located in front of the diesel oxidation catalyst (DOC) in the turbo downpipe. It receives its fuel from the aforementioned CP4.2 at the front of the lifter ...
SDP Duramax 2011-2015 LML twins- up to 750RWHP *If you do not currently have an aftermarket drivers side IC pipe, you will need to purchase ours with the kit. The factory drivers side (hot side) silicone boots are weak and will blow apart with the extra pressure. If you select the ...