"epa-declares-war-against-makers-of-emissions-defeat-devices"

Spent 7 years in the heavy equipment industry as a wrench, very familiar with tier IV final emissions systems on modern Diesel engines. Let me tell you if you manage to put an on-road Diesel engine in limp mode it’s because you were flagrantly ignoring several regen events. You have to be stupid or in just a terribly maintained truck for it to happen. Particulate filters are indeed expensive, but will generally last 100k miles or more IF you allow the regeneration cycles to happen on schedule. The minute you start overriding them regularly is when you see issues, frankly I have little sympathy for people that plug and then subsequently ruin their DPF, generally speaking the control modules on the engine will handle it with little issue, it’s just something you have to plan for, like keeping the DEF tank topped off.

Technically most aftermarket tunes are already illegal. This legislation will do little to companies like Cobb because all they have to include is an asterisk with the “this is intended for off road use only” warning and suddenly they can sell it since they have warned the customer that it isn’t road legal. Pretty much any engine mod you do to the FiST outside of the MP215 has this disclaimer. So I don’t see how any of this would have a serious effect on the aftermarket scene.


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If you read the FIRST paragraph of the article you will see the EPA is not buying that "off road only" weak excuse any longer..........and the effect will be massive fines if they continue to sell them. Enforcement will be easy, Insurance companies will be encouraged to refuse to pay for damages on a car equipped with "off road" parts. The feds/states could seize any car/truck with modified emissions and hold it until a trial, return to stock and payment of fines, the states could refuse to issue a tag for a modified vehicle by declaring the VIN as "off road only". The new "Compliance Act" does not change any emission laws, but it does tell the EPA to start enforcing the laws and they are doing it. Many big time fines and forced recalibrations, and sales stopped in 2019.

He is weak alright. He is also a post modern socialist who loves giving our money away to foreign countries while our people become ever more indebted and poor. Make sure to vote for Trump!

Again, most of this is speculation. There is no mechanism for someone’s car to be seized, *yet*. The article states that the EPA will enforce the Clean Air Act’s regulations regarding the removal and defeat of emissions-related devises, e.g. cats and PVC/EGR valves, and that the EPA is going after the manufacturers, not the owners. At the moment the worse-case scenario for us is that the aftermarket will stop selling catless downpipes and oil filler breathers.

You’re envisioning the future that I’d like to avoid by encouraging the EPA to enforce existing regulations over writing new ones.

I knew this would turn into a BITOG type discussion...I'm just an observer.

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I knew this would turn into a BITOG type discussion...I'm just an observer.