Bought a garret turbo for my 2008 lmm duramax, i have a ppe excelaraitor programmer and exhaust i put the stage 2 on and my throttle respond and boost both dropped. What am i doing wrong?
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Bought a garret turbo for my 2008 lmm duramax, i have a ppe excelaraitor programmer and exhaust i put the stage 2 on and my throttle respond and boost both dropped. What am i doing wrong?