08 Duramax GMC Sienna Help - Chevy and GMC Duramax Diesel Forum
07.5-10 LMM Performance Parts Discussion Discussion of Performance Parts For the 2007.5 to 2010 LMM Duramax Trucks No Advertising

 
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post #1 of 1 (permalink) Old 06-27-2019, 07:14 AM Thread Starter
 
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Join Date: Sep 2018
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08 Duramax GMC Sienna Help

I’ve recently acquired this van with an LMM Duramax. I’m trying to delete the dpf. My questions are as follows
1.) will a GMC Sierra exhaust kit (thinking flo pro) fit the van body style?
2.) from what I understand the vans have a 4L80 trans and not the Allison. That said will it need a custom tune to for the delete or will standard tunes on the market work?
3.) does anyone have factory spec of how much the van is derated due to the weaker stock trans?

Any help on this would be much appreciated.
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