PLM Angled 90 Degree O2 CEL (Check Engine Light) Fix Fouler Adapter Description PLM Stainless Steel ANGLED (90 DEGREES) O2 CEL (CHECK ENGINE LIGHT) FIX / FOULER PLM Private Label Mfg. Stainless Steel Angled 90 DEGREES O2 Sensor Fix / Adapter for CEL (CHECK ENGINE LIGHT). Installs in the secondary oxygen sensor hole downstream of the catalytic converter. FeaturesPrevents CEL (Check Engine Light) / MIL (Malfunction Indicator Lamp) from illuminating when removing the stock catalytic converterBolt-on, no cutting or modification of stock wiring like an electronic CEL Fix / MIL EliminatorAdjustable design allows sensor to be mounted in any direction to maximize exhaust clearanceRight angle allows more clearance compared to straight CEL fixesCNC cutEasy bolt-on installation with typical hand tools, no welding or cutting requiredFor off-road race / track use onlyNOT to be installed with primary oxygen sensor (sensor before the catalytic converter)Male end threads into existing M18 X 1.5 O2 bungsO2 sensor threads into female end90 Degree bend design is great for spacer clearance issueINCLUDES LOCK NUTLENGTH = 2 INCHES x 2 INCHES