about how much power and mpg do you think the following items add to a lly duramax
cold air intake??
downpipe
straight pipe exhuast
egr delete
40% over injectors with fass 150
s300 turbo
or a s475 over the stock turbo
intake manifolds
exhuast mainfolds
ppe boost valve

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plan on efi live dsp5 with
economy
80HP tow tune
100hp smoke and lope
240hp race tune
and idk what other tunes r u guys running??

 

If you have a built trans and you run a DSP5 on the race tune with supporting mods you should be pretty close to 500 rwhp

 

acually looking more detail like power and mpg on each mod