![]() One garage in Montreal has a two-week waiting list and claims to process 20 rigs per day. With the addition of a straight pipe running through the gutted DPF canister, the modified tractors look almost identical to the ones coming from the factory.īeyond the reach of Environment Canada, and existing in the grey area of seemingly unregulated “aftermarket modifications,” the practice seems to have picked up steam in the last six months. ![]() Calling around, within half an hour, I found several independent garages in Ontario and Quebec that would remove and delete the EGR/DPF systems from almost any EPA-compliant engine.Įither by Internet or word of mouth, truck owners are attracted to shops and vendors that promise better fuel mileage, more horsepower and an end to expensive DPF maintenance bills. Although it is technically illegal to obstruct or dismantle pollution controls on trucks, the almost total lack of enforcement across Canadian jurisdictions has allowed some vendors to quickly fill this niche. With all the distrust over newer truck engines, it’s not entirely surprising that some owner/operators and small fleet owners might consider tampering with their exhaust gas recirculation (EGR) and diesel particulate filer (DPF) systems.īut what is surprising is how much of this is going on. As long as there have been pollution controls on engines, someone has tried to mess with them, either by removing, bypassing or modifying components.
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