A lot of this depends on a number of factors. We perform all of our tuning and testing in-house to verify that air-fuel ratios are safe and will not cause... read more
Because the HMF exhaust systems increase the potential air flow through your engine that must be compensated for with more fuel. In order to maintain a safe air-fuel ratio when... read more
The exact settings for your particular machine and setup are impossible for us to determine. However, we can make some suggestions and have a lot of good information and tips... read more
We get this question quite often at HMF, and generally the answer is no. If you have a stock machine without any major modifications, other than installing an HMF exhaust... read more
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