Why Walnut Shells?

Walnut shells are abrasive enough to remove carbon from a surface, but not hard enough to impact or damage engine components. In the unlikely event some drops into the combustion chamber, it wont matter as it will burn off once the engine is running.


Why Clean My Inlet Ports?

For emissions reasons most newer cars (Petrol & Diesel) are fitted with an EGR valve.


The EGR valve works by recirculating a certain amount of exhaust gases back into the engine, through the intake system, reducing the emissions.


The problem with this process is the exhaust gas contains carbon deposits which will then stick to surfaces and continue to create a build up of carbon over time. Removing this carbon build up restores lost power and economy. 

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