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The Ultimate Guide to 6.6L Duramax EGR Delete Kit Costs

Auto Service World

This system helps reduce nitrogen oxide (NOx) emissions by recirculating a portion of exhaust gasses back into the engine’s intake manifold. It works by cooling the exhaust gasses and mixing them back with the fresh air intake to lower the combustion temperature, thereby reducing NOx emissions. Dynovox 2004-2005 6.6L

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Catalytic Converter Replacement

Tomorrow's Technician

New York is the first state to mandate that a vehicle with California emissions and converters must always be replaced with a CARB-certified converter, even if it is never going back to California. There have been long-standing policy debates in Maine, Washington and other states on emissions testing and standards.

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Mk2 Ford Focus ST225 Engine Tuning (Complete Guide)

TuneAutos

The Mk2 Ford Focus ST (2005-2010) comes as standard with 225hp. Note : When de-catting your car , it will not pass it's MOT as it will fail emissions testing, making it illegal on the road, it will also be slightly louder. ✔ This article has been fact checked. The Volvo 2.5L