cool il look it up on hear ive learned alot on theses threads love this place......got another ? my exhaust is stock would i gain anything if i cut that big *** muffler off an keep it like that til i can straight pipe it from the turbo

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wow iam making that waste gate controler looks pretty easy

 

no will gain more if you get and diamond eye exhaust is have 3" down pipe with 4" exhaust back you do away with the cat and the muffler you have witch most like clog as old these are that wake truck up and also do cross over pipe the Gm exhaust has to much restriction

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don't install one in till you get boost gauge with the gauge you don't know how boost you building up and you could cook the motor

 

cool will do thanks so mutch for your help