Latest News & Product Release
Latest News
CARB or EPA – Which Catalytic Converter is Correct?
Most people assume that CARB-approved cats are needed for all California emissions vehicles and EPA cats are needed for all federal emission vehicles – is that correct?
How a Catalytic Converter Is Manufactured
We know what comes out of catalytic converters – cleaner air – but what goes INTO them? Learn how they’re made.
Manufacturing Heavy-Duty and Industrial Products
The heavy-duty market is exceptionally important – and incredibly diverse and demanding.
Previous News
Dirty DPFs Will Idle Diesel Fleet Productivity
The key benefit of DuraFit DPF is that it is a lower price alternative replacement compared to the OE.
How Is A Quality DPF Made (And More Importantly, How Does It Work)? 
Durafit utilizes its own coating designs, state-of-the-art coating process, steel processing, canning, and welding.
News Flash – Not All Diesel Particulate Filters Are The Same
Designers of diesel aftertreatment systems continue to focus on ways to improve the performance of these systems.
Understanding The Most Common Causes Of DPF Failures
A truck’s diesel particulate filter (DPF) removes diesel soot from the exhaust emissions of a diesel engine.
Understanding Catalytic Converter Function And Performance
When a catalytic converter fails, it’s typically because of poor vehicle maintenance and the engine management system.
How To Fix Catalytic Converter Problems
This video discusses diagnostic procedures for common catalytic converter problems.
Product Release
Category Filter
Complete Combustion Calls For Strong Spark
Fuel Trim Diagnostics – What To Look For In Rich or Lean Conditions
What Causes A P0420 Code?
EPA OBDII Direct Fit Converter #641542
EPA OBDII Direct Fit Converter #644105
EPA OBDII Direct Fit Converter #644150
AP EMISSIONS ANNOUNCES PROMOTION OF STEVEN NUNEVILLER
