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Granville's 10K Boost Catalytic Converter Cleaner is a fuel additive that is designed to clean out the entire fuel system and the catalytic converter. It removes damaging carbon build ups and deposits from the engine and works towards reducing emissions and harmful or hazardous exhaust gasses. Helps to avoid expensive replacements of the catalytic converter, improves fuel economy and restores lost power and performance.
Granville are a manufacturer of high quality lubricants and automotive chemicals. Granville have a wide range of products and brands which enables them to utilise their knowledge and expertise to create innovate and quality products. With over 40 years of knowledge within the market, this UK based manufacture continuously develops and strives to keep up with the dynamic pace of the automotive industry.
SHIPPING IS FREE* for orders of £75 and over
, regardless of the weight of your order.
We've tried to keep all other shipping costs as low as we can.
Carriage starts at just £0.95 (inc VAT) for small items, with our most common courier rate set at £5.99 for orders of 5kg (enough for 5 litres of oil).
We give an estimate of delivery dates as you shop and in your basket. The vast majority of items are held in stock and dispatched from our UK warehouse and we'll do all we can to get your order to you as quickly as possible.
Free Shipping Over £75!
UK mainland, standard shipping*
No Leak Guarantee
We replace any shipping damages
We never like to be beaten on price