Exhaust
From E30 Zone Wiki
The Exhaust system removes all the waste gasses from your Engine, allowing more air and fuel into the cylinder for the next explosion.
Contents
Overview
If this gas wasn't removed, the engine would explode under pressure. Getting the waste gas out quickly and smoothly is an essential part of an efficient engine.
Components
Exhaust Manifold
Manifold Studs
Downpipe
Lambda Sensor
Although mounted in the exhaust system, the Lambda sensor is an essential part of the Intake system.
