Mercedes-Benz C63 AMG S E Performance Exhaust Parts

Downstream O2 sensor

Used for expanding mild steel exhaust pipes to make perfect exhaust seals with smaller diameter piping.

5 Wire (Type LSU) Wide Band Sensor for Racing Applications

M18x1.5 thread size, used for cleaning and fixing damaged oxygen sensor bung threads

An easy upgrade for anyone tired of replacing drooping rubber hangers, or having issues with a low-hanging exhaust.