AEM No-Weld O2 Sensor Mounts - 2.75 to 3 inch Diameter Vehicle Model_Lancer Evolution 8 5RS is an excellent way

5RS is an excellent way upgrade to the look

and aggressive daily use

Part #: 291063

Intended for both circuit and daily use

The GrimmSpeed Lightweight Crank Pulley features a lightweight and durable design for improved performance and engine response

AEM No-Weld O2 Sensor Mounts - 2.75 to 3 inch Diameter Vehicle Model_Lancer Evolution 8 5RS is an excellent wayAEM No Weld O2 Sensor Mounts 2. 75 to 3 inch Diameter Universal If you need to mount an O2 sensor and don't know how to weld or can't find someone who can, this is a permanent solution that replaces a weld in O2 bung. Simply drill a hole in the exhaust, install the gasket, and bolt the clamp. It's that easy to install and all you need to do in order to add a wideband to your car! Part #: 30 2355 300 Fitment: The 2in mount will fit exhausts from 1.