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Thought you guys might want to see what the NEW MCX with the ETX CAT exhaust loks like. Testing shows performance equal to or better than the MCX with conventional ETX manifolds.
Engine Nut
Engine Nut
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Engine Nut
Indmar Marine Engines
Power to the Sport -
Very cool. Thanks for posting. Looks like the manifolds are on backwards, though...Originally posted by Engine Nut
'04 MariStar 230VRS/MCX -
what are the benefits, any quieter???Originally posted by bigmacVery cool. Thanks for posting. Looks like the manifolds are on backwards, though...Comment
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better emissions???Comment
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The catalyst exhaust system reduces exhaust emissions dramatically. It reduces Hydrocarbon (HC) and oxides of nitrogen (NOx) to less than 5 grams combined and reduces Carbon Monoxide (CO) to extremely low levels.
Engine NutEngine Nut
Indmar Marine Engines
Power to the SportComment
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Is it true that a closed cooling system will be required as well?Comment
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No, closed cooling is not required. The systsm works fine with raw water cooling.Engine Nut
Indmar Marine Engines
Power to the SportComment
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Thanks for posting, EN.Previous: 1993 Prostar 205
Red 1998 Ski Nautique, PCM GT40, 310 hp, , Acme 4 blade, Perfect Pass SG/Zbox.
FAQ
Be kind. Have fun.Comment
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hey enginenut, have any extras lying around, i'd be willing to throw one in my boat and give it a test run.
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nut would this bring the ability to have a closed loop system?Originally posted by Engine NutOriginally posted by TX.X-30 fanSay yes to cheap beer---- no to ethanol. Comment
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Yes, the system has oxygen sensors in each manifold right before the catalyst so it runs in closed loop up to about 4200 RPM.Engine Nut
Indmar Marine Engines
Power to the SportComment
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definitely NOT on backwards!Originally posted by bigmacVery cool. Thanks for posting. Looks like the manifolds are on backwards, though...ITCHIN' TO SKI, LET'S GO!!
Former Boat: 1985 MasterCraft Skier, Stars and Stripes351W with PowerSlot and Perfect PassClick here if you need prayer, or wish to pray for those who do.Comment
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I'm more interested in footing behind the new 400hp engine thats coming out
It's gonna be sssssssssssswwwwwweeeeeeettttt!
sigpicwww.boathouseh2o.comComment
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Kind of funny, it's not even in a boat, and you still can't see any of the BLOCK... There is ALOT of "stuff" on there.....
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If the mufflers can be removed, I may be interested........Originally posted by erkoehlerI'm more interested in footing behind the new 400hp engine thats coming out It's gonna be sssssssssssswwwwwweeeeeeettttt!
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