Quick suggestion: consider replacing the Wasp in there with the amazing Shakmat's Dual Dagger: 4 filters in only 6 HP (basically 2 HP and 2 LP per channel), and will deal with the stereo signal from your chainsaw a little better IMHO. If you're hand with an iron, they do sell it as a kit as well - I built mine with the Shakmat team in Brussels and I've been enjoying delicious stereo filtering ever since. Would work nicely as an end of chain performance filter as well I suppose ;-)

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