DISCLAIMER - photos below were made on a non registered truck, that runs only off-road, in country with no emission laws.
Obey all your local/state/country laws! Be responsible!
In order to do a proper onebox (DPF SCR DOC) delete You have to do following:
ECM tuning:
- Once the ECM is delete tuned you can remove all the filters from exhaust.
With onebox delete, the EGR is deleted as well.
EGR delete instructions - Our DetroitDiesel delete tuning come with a mild power upgrade (fleet safe).
This upgrade will be benefitial for the MPG score. - List of all our delete tunes for Detroit Diesel engines.
One box - SCR DOC DPF delete:
- Onebox filter consists of 3 different filters
- DOC
- DPF
- SCR
DetroitDiesel DD15 exhaust side block off plate location
- All 3 filters need to be hollowed out.
Remove the DPF cans, and hollow them out.
Red arrows on photo below point out to DPF cans after removing filter material.
Detroit Diesel DD15 DPF cans after delete
- DOC must be hollowed out as well, on the photo below arrows point out to DOC filter.
Detroit Diesel DD15 DOC filter location
- The most complicated one to do is SCR.
You will have to:- cut it open
- hollow it out
- weld it back shut
Cutting open SCR filters on DD15
Hollowing out SCR filters on DD15
Welding back shut SCR cans on DD15
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