I have a 2008 lmm with full 4 inch exhaust with a muffler. Has efi live tuning, was wondering if i delete muffler will it throw off my efi live causing me to have the re-flash? Thanks guys for your help
No. Won't change anything.I have a 2008 lmm with full 4 inch exhaust with a muffler. Has efi live tuning, was wondering if i delete muffler will it throw off my efi live causing me to have the re-flash? Thanks guys for your help
No. Won't change anything.
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Straight pipe in sounds like a 5 inch lbz
They are essentially the exact same motor.
I have a 2009 Cutaway van with duramax LMM. Which one is the best tuner for this kind of motor? I tried to buy EFI live and the salesperson told me that tuner was for pick up trucks only.