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Opening Exhaust Valves

Opening exhaust valves can be done with a module or via coding.  This is a good option for those who have a broken valve or those who have replace the valve who do not wish to have a hard fault.

This is also a good option for those who wish to have a more aggressive idle.

The module is useful to switch back and forth but comes at an additional cost versus the coding option.  This is available for c43, c63, and e63

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