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[hooperville]

I've been reading these posts for months waiting for my bike to arrive...it arrived and I've made a few upgrades and wanted to share. Fullsac MX head pipe w/ 1.75 power cores, tech mat and screens, TTS tuner, heavy breather and SE 447 cam. I'm very happy with the results....now I'm just waiting for the snow and ice to melt up here in NH.

[hooperville]

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[rayson56]

Very nice results and great taste in bikes by the way!

[hooperville]

Very nice results and great taste in bikes by the way!

Thanks man!


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[Bill E]

Nice. Which heavy breather are you using.

[hooperville]

Nice. Which heavy breather are you using.

I’m using Harley’s heavy breather. I’ll attach picture.


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[JCZ]

With that kind of torque, you might want to shop around and buy the rear tires by the gross.   

[FLSTFI Dave]

Very nice torque curve on that, it sure comes on early with the torque cam.  All the torque is right where most people ride.

The Fullsac head pipe is the best head 2-1-2 head pipe for a M8 so far.   I got really good number with just the fullsac head pipe, 2.25 cores and the TTS an dyno tune.

[hooperville]

Thanks Dave! I’ve been following your posts and after emailing Steve at Fullsac decided on these specs. I haven’t ridden it yet (live in NH) looking forward to the spring. The only question I have is when I rev it up and the end of the rev it has a little rattle sound like something is loose inside the baffles. Not sure if that’s normal or will go away once I have a few miles on it? Any guidance you may have on that would be much appreciated.


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[hooperville]

With that kind of torque, you might want to shop around and buy the rear tires by the gross.   

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[rayson56]

Thanks Dave! I’ve been following your posts and after emailing Steve at Fullsac decided on these specs. I haven’t ridden it yet (live in NH) looking forward to the spring. The only question I have is when I rev it up and the end of the rev it has a little rattle sound like something is loose inside the baffles. Not sure if that’s normal or will go away once I have a few miles on it? Any guidance you may have on that would be much appreciated.


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You might want to take a rubber mallet or something similar and tap around on your exhaust to check for anything that could have been left loose. Even one of the heat shields?? Might be a good place to start anyway.

[hooperville]

You might want to take a rubber mallet or something similar and tap around on your exhaust to check for anything that could have been left loose. Even one of the heat shields?? Might be a good place to start anyway.

Thanks so much. I’ll give it a try.


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[FLSTFI Dave]

Thanks Dave! I’ve been following your posts and after emailing Steve at Fullsac decided on these specs. I haven’t ridden it yet (live in NH) looking forward to the spring. The only question I have is when I rev it up and the end of the rev it has a little rattle sound like something is loose inside the baffles. Not sure if that’s normal or will go away once I have a few miles on it? Any guidance you may have on that would be much appreciated.


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I ran the mufflers with the 2.25 baffles for a few months before I did the head piper.  I never heard a rattle or strange noise.

I put the MX head pipe on.  Started it, let it warm a bit then gave it a rev and heard a strange rattle.  Could not figure out where or why nothing loose.  Can not duplicate it when riding.  Sounds great riding both accelerating and decelerating. 

I have not figure it out.  Still hear a rattle now and then if I rev it, not moving. 

[hooperville]

I ran the mufflers with the 2.25 baffles for a few months before I did the head piper.  I never heard a rattle or strange noise.

I put the MX head pipe on.  Started it, let it warm a bit then gave it a rev and heard a strange rattle.  Could not figure out where or why nothing loose.  Can not duplicate it when riding.  Sounds great riding both accelerating and decelerating. 

I have not figure it out.  Still hear a rattle now and then if I rev it, not moving.

Appreciate the insight. Glad to hear that it doesn’t rattle while riding.


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[Cvostu]

The 1.75s sure gives some amazing torque improvement.  Really sorry you have to wait till spring to start enjoying the ride.    Great numbers.   Stuart.