AEM UEGO Wideband Controller 4.9LSU AFR Gauge (52mm) - Universal 15w50 has forged a reputation as

has forged a reputation as the toughest performance aftermarket brake rotor available

but leave out the fact that their filters are not effective at filtering dust and dirt

You are not buying a mass produced

This would normally lead to oil and sludge accumulation in the air filter intake pipe

AEM UEGO Wideband Controller 4.9LSU AFR Gauge (52mm) - Universal 15w50 has forged a reputation asAEMs legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed and control with an easy to read, digital LED display and sweeping LED needle that changes colors as AFR changes from rich to lean. WHAT IS A WIDEBAND UEGO AIR FUEL CONTROLLER? AEM's Wideband UEGO (Universal Exhaust Gas Oxygen, pronounced You Way Go) Controllers are powerful, cost effective tuning tools that