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This is perfect, thank you so much!

I ran my 600f4i with open headers for a year with no problems rather than losing alot of low end power, i ran the vmax with open headers and plugs went bad 2 days later, i think it gets too lean or rich i'm not sure.

I'm going for custom slip-ons now, hope this one wont leak too :bang head:

yeah i was really happy seeing her going full power again, thanks.

Anyone knows the exact diameter on header pipe ends as i don't have a caliper in hands? going for custom made slip-ons and i want to buy the correct size pipe.

a new set of spark plugs solved the problem, it's better than ever now from low end all the way to top end. thanks everyone who tried to help.

forgot to mention that it sometimes misfires and idle is a bit rough, going to change the plugs tomorrow and see if it solves the problem. Traumahawk the pipes fit together with the clamps i installed, the exhaust leak is really minor so i dont think it may harm my valves, i ran my 600f4i with a...

i'm running the stock exhaust, the motorcycle started losing top end gradually so i'm guessing spark plugs got fouled? it's still got the kick at lower RPMs and midrange is sometimes fine but when i get near to 6 or 7k rpms it just wont accelerate. i guess i'll have to find a way to find those...

I was working on my exhaust and removed the old gaskets hoping to do a cleaner job but i havent found gaskets yet so i installed the exhaust can back but now obviously there is a leak at all four pipes where they connect to each other. the bike seemed to run fine with a little power loss at low...