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Originally Posted by Glokwork I've got about 150 miles on mine now and it's gotten a lot quieter. Non res with HFCs and now it's not even half as loud

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Old 09-16-2011, 04:57 PM   #1 (permalink)
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Originally Posted by Glokwork View Post
I've got about 150 miles on mine now and it's gotten a lot quieter. Non res with HFCs and now it's not even half as loud as the washer mod. WTF happened?
The glass pack in the mufflers is settling and the HFC's cells are collecting material.
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Old 09-16-2011, 05:36 PM   #2 (permalink)
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The glass pack in the mufflers is settling and the HFC's cells are collecting material.
It's just very quiet right now. Cold start its on the loud side, but after that its quiet. Above 4k rpm it's barely louder than when I just had HFCs.
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Old 09-16-2011, 05:38 PM   #3 (permalink)
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It's just very quiet right now. Cold start its on the loud side, but after that its quiet. Above 4k rpm it's barely louder than when I just had HFCs.
Yup. That's called breaking it in.

Maybe you should get some headers instead of those HFC's...
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Old 09-16-2011, 05:41 PM   #4 (permalink)
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Yup. That's called breaking it in.

Maybe you should get some headers instead of those HFC's...
I would love to have the LTHs they are amazing, but from what I've heard HFCs and TPs are louder than the LTHs...not sure if thats true, just what I've heard. Also I'm so close to pulling the trigger on the amuse partial cf rep
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Old 09-16-2011, 05:43 PM   #5 (permalink)
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I would love to have the LTHs they are amazing, but from what I've heard HFCs and TPs are louder than the LTHs...not sure if thats true, just what I've heard. Also I'm so close to pulling the trigger on the amuse partial cf rep
Yes, HFC's are louder than LTH's on startup, and on cruising, but when you open up the headers man, thats when they come to life. Thats what I like about them.
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