Cummins x15 low boost after delete

[Rawze]

(03-05-2025 )DDT LLC Wrote:  Have u ever heard of that butterfly valve in the intake falt closed I feel like that's my issue I don't no what else it could b I no its not the tune I got this same one in other trucks with no issues

the diaphram for that intake butterfly should have been removed as part of the de-mandate. Along with hollowing all cans including SCR,. block plate between manifold and egr cooler,.. etc.etc.etc.