Throwing off tune 08 lmm

[Dmaxmaniac]

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

 

[CaptPhil]

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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[Dmaxmaniac]

Hell yeah

No. Won't change anything.

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Ah shit buzz I'm gonna take off today or Saturday she gonna be so much louder I've heard from people.

 

[Dmaxmaniac]

That just made my week. I take her to be dynoed next Saturday I'll let everyone knows what she puts down I'm hoping close to 450hp maybe high 700tq keeping my fingers crossed.

 

[Dmaxmaniac]

Straight pipe in sounds like a 5 inch lbz

 

[mike diesel]

Straight pipe in sounds like a 5 inch lbz

They are essentially the exact same motor.

 

[Max Attitude]

Lol

 

[NC-smokinlmm]

They are essentially the exact same motor.

You mean you cant hear that extra injector hole? Lol...:spit:

 

[Darwin]

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.

 

[NC-smokinlmm]

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.

Call Josh H at Top Notch Garage in texas. He has built and tunes a bunch of vans...