I looked underneath my new truck today and noticed that the entire exhaust system is welded together. No "Off-Road" only pipe is going to replace the DPF easily...Originally Posted by More Power
Good catch! I guess I had 2007 on the brain....
I'll have a new article on the web site before long that shows the LMM components and describes how the new emissions system operates. I recently got an opportunity to shoot some photos.
I was a little surprised that the new diesel particulate filter isn't serviceable, and that more of the exhaust system is welded together. This might be due to a wish by GM to prevent tampering - though the interconnectivity of the exhaust system and the electronics will prevent much alteration anyway. It'll be interesting to see how the aftermarket responds, and how long it'll take them to produce products for the LMM (or any new diesel).
Jim
Like you said electronics will most likely prevent it, but with programs that re-write ECM/PCM code, that can always be changed too...
Since the DPF should have a life expectancy of 200k miles give or take, cutting it off, cleaning and rewelding wouldn't be that big of a deal. By then, if this motor is truly like the LBZ I can see replacing the exhaust system, repgramming the computer, etc... By law, you can't tamper/modify a working, under warranty exhaust system and I doubt the DPF has a 200k warranty...
BTW, the selling dealer made me sign a "I won't tamper/remove emmission components from the Truck paperwork..."
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