Haltech Wideband O2 Sensor (Bosch LSU 4.2) - HT-010714 fits_2014-`Lexus`IS`300h The roto-molded housing is made

The roto-molded housing is made out of black cross-linked polyethylene and mounts directly into the factory headlamp cold air inlet location on the driverside to capture the coolest air available from the factory intake tract

but its stock exhaust note leaves much to be desired—buzzy

Crosses twice to Improve Exhaust Flow

Adhesive not effected by temperature

it may sound like a vacuum cleaner—but Valvetronic Designs is here to change that

Haltech Wideband O2 Sensor (Bosch LSU 4.2) - HT-010714 fits_2014-`Lexus`IS`300h The roto-molded housing is madeHaltech Wideband O2 Sensor (Bosch LSU 4. 2) Downloads & Resources Product Specifications Sheet (PDF)