Stage 1 ModificationsĪ true stage 1 modification doesn’t require any other engine mod to get it to work, this means it can be added in isolation. However, there are some points which differentiate a ‘typical’ mod in each stage.
Between stage 1,2 and 3 there is no consistent different between their classifications. These stages are often meaningless terms when applied to power gains as they can’t reliably be used to explain how much power a mod actually adds. But what are these mods and what do they mean?
Tuning companies often talk about stage 1,2 and 3 mods.
