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Thread: Exhaust restrictor 300xs?
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02-03-2020, 10:59 AM #1
Exhaust restrictor 300xs?
Boat: Hydrostream virage
Engine: Mercury 300 XS DBR 1.3
Props: 32' performance drag4 ,buckshot gen2 4 blade cleaver 34'
Max speed: 113mph
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02-11-2020, 02:18 PM #25000 RPM
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Yes, that is exactly what it is. You probably need it to be legal in europe. Not needed or wanted in the U.S.
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03-16-2020, 09:18 PM #3Member
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03-16-2020, 09:56 PM #4Screaming And Flying!
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Notice any difference?
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03-21-2020, 12:01 PM #55000 RPM
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YOU MIGHT WANT TO BE CAREFUL FIRST TIME OUT. Mercury may have leaned that motor down, to reduce emissions. Then if you switch over to other exhaust system, it may breathe better, causing a lean situation. I would call a MERC. dealer in your country.
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