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Exhaust System Topics New and old exhaust system discussions. Fitment issues to sound bites and suggestions. Post them here.

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  #11  
Old 01-13-2018, 08:03 AM
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Originally Posted by johnwesley View Post
Iíve gone through it hundreds of times and till refer to it
Mate I can see why ,now i need the same for the 107 M8.
Again cheers man.
 
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  #12  
Old 01-13-2018, 11:07 AM
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Originally Posted by badcooky View Post
Mate I can see why ,now i need the same for the 107 M8.
Again cheers man.
With the correct cams....
 
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  #13  
Old 01-13-2018, 08:27 PM
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Originally Posted by Mr-Mike View Post
With the correct cams....
Yea man the great cam debate for the M8 is on !
 
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  #14  
Old 01-14-2018, 11:11 AM
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I chose Thunder Header, a day or so before the comparison chart came out.... The chart made me ok with my decision... will know better in the spring.. Easter
 
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Old 01-14-2018, 03:28 PM
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Originally Posted by WHITEHOT5055 View Post
I chose Thunder Header, a day or so before the comparison chart came out.... The chart made me ok with my decision... will know better in the spring.. Easter
You you won't be disappointed they do bring the power out nicely but not so much in the low end..
 
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Old 01-23-2018, 06:46 PM
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Thunderheader, Thunderheader, Thunderheader
 
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  #17  
Old 02-05-2018, 09:02 PM
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Originally Posted by WHITEHOT5055 View Post
I chose Thunder Header, a day or so before the comparison chart came out.... The chart made me ok with my decision... will know better in the spring.. Easter
Thatís what I chose on both of my sportsters, I decided on sound 1st and then performance. I like the performance of their test standard, but did not like the sound tone or volume level. So of course I think you chose well
 
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Old 02-22-2018, 05:57 PM
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There's a trick you can do to the Thunderheader to bring out the low end. You basically bend the ends of the four perforated panels back a bit to increase backpressure just a bit. That prevents enough reversion to make the bike feel more responsive in the low end.

 
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Old 02-23-2018, 08:13 AM
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Far be it for me to agree with SuperTrapp, but Supermeg! Very happy owner for several years now.
 
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  #20  
Old 02-23-2018, 08:20 AM
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Originally Posted by Mattbastard View Post
There's a trick you can do to the Thunderheader to bring out the low end. You basically bend the ends of the four perforated panels back a bit to increase backpressure just a bit. That prevents enough reversion to make the bike feel more responsive in the low end.

Iíve never seen it to be advantageous to bend all of the tabs. It always kills top end power doing so. Bending 2 picks up bottom end and sometimes slightly on the top also.
 
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