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Discussion Starter · #1 ·
Okay simple question, does using a cone filter (k and n for example) use more petrol compared to the original air filter and box. Driving in similar conditions and similar driving style

Have changed the k and n to a normal box and average mpg is showing slightly higher than normal, around 4-5mpg in fact and i cant wait to see whether it will actually give more miles to a tenner.

any theories welcome....
 
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