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Provent 200 has 25 mm entry (1") ZD30 hose is 16 mm (5/8"). You'll need reducers to go from 25 mm to 16 mm (1" to 5/8")
You can piggy back on to original breather hose than extending it to Provent and than run new hose back to inlet pipe. On Di is as easy as flipping it over towards back of the firewall/bulkhead than using barbed joiner attach extension to Provent
That way you don't need to worry about restrictor as you reusing original hose and no need to look for it.
Cheers
Last edited by Rumcajs; 15th December 2013 at 09:15 PM.