O2 Sensor Fouler (Screw in type) bulb Requires: Race Valve

Requires: Race Valve

or even upload to the Dragy leader board

we also use tools which allow OBD flash

parts or vehicle modifications are required – simply remove the factory bypass valve and replace it with the Mach 2 – it’s that simple

It is simple to use

O2 Sensor Fouler (Screw in type) bulb Requires: Race ValveN Day Sale In Stock Removes P0420 with catless exhaust system. No tuning required! This is a must for anyone with a Xforce 100 CELL Downpipe or anyone who deletes the cat in the OEM Downpipe. This product removes the Check Engine light without compromising engine performance Comes with Adjustable Nozzles to reduce air flow (vary on which high flow cat, or catless is used)