Ever since the first introduction of emissions control system on motor vehicles, people have been finding ways to remove them. The idea was that if these control systems were removed, power and ...

TORONTO, Ont. — As long as there have been pollution controls on engines, someone has tried to mess with them, either by removing, bypassing or modifying components. With all the distrust over newer ...

If you're into diesel trucks, you may already be aware of the fact that a thriving market exists for aftermarket enhancements and modifications. There are various ways to get more horsepower out of ...

I’m looking for information! I’m a new diesel owner, and I’m wondering what are the pros and cons of doing an EGR, DPF, and factory muffler delete, along with uploading a custom tune. This is a ...

Two critical elements that need to be checked out at 100,000 miles are the EGR valve and the DPF. Hasten says to run a computerized flow test on the DPF filter tol show if the filter in the exhaust ...

TORONTO, Ont. — An investigation by Truck News has found that engine tampering to defeat emissions controls mandated on new trucks over the past decade is widespread and easily attainable. Frequently ...

The diesel tuning business has changed a lot in the last four years. The Environmental Protection Agency is scrutinizing everybody from huge engine manufacturers like Cummins to small tuner shops.