[High quality] 90 degree mini catalytic converter is which is , rustproof and anticorrosive. [Broad Compatibility] M18X1.5 thread is suitable for most modern vehicles equipped with M18x1.5mm threaded oxygen sensor. [Function] The microcatalytic converter helps to the improved exhaust lamp or check the engine light after disassembling the catalytic converter. [Easy to install] Quick and easy to install, bolted, no need to modify. Real mini catalytic converter inside (supports ceramic honeycomb). actually has a built-in miniature catalytic converter that allows your ECU to think that an inventory catalytic converter is still installed. It helps to the annoying inspection of the engine lights after modifying the exhaust gas or removing the catalytic converter, sometimes even when installing high-flow catalytic converters. colour:Silver Material:stainless steel Package Contents: 1*oxygen sensor Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.