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Rinehart hp45

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Old Feb 14, 2026 | 08:50 AM
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Default Rinehart hp45

Is anyone using the Reinhart hp45s? What do you think of them? I'm considering them for my 135" CVO ST. I like how short they are. Opinions?
 
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Old Feb 14, 2026 | 09:21 AM
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The "Rinehart Rumble" will become your new favorite sound!!!!
 
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Old Feb 14, 2026 | 10:26 AM
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Oh I know all about the "Reinhart Rumble"! Lol I have the DBX45s on there now but don't like the looks of em.
 
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Old Feb 24, 2026 | 03:13 AM
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I had the Cobra Neighbor Haters. Great sounding. I switched to the HP45XL.The XL's go a little beyond the saddlebags. The regular HP45's stop under the saddlebags. The HP45 mufflers sound awesome and flow better.
 
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Old Feb 24, 2026 | 04:46 AM
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I picked up a set of HP 45s on Friday. Installed then right away. I love the look of them being that short. I haven't started the bike yet to hear them. I know that's a crime, but February in Wisconsin isn't exactly test drive season ya know! Friday is gonna warm up a bit so maybe I will push it out in the driveway and fire it up. Mid-storage start ups are usually a no-no for me but sometimes you just have to.
 
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Old Feb 24, 2026 | 04:12 PM
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I am in Michigan and recently installed my HP 45's mufflers. I had to start the bike to hear them. They sound awesome! Waiting on my LA Choppers twin rounds to be delivered.
 
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Old Feb 24, 2026 | 05:31 PM
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Originally Posted by h-d wrencher
Is anyone using the Reinhart hp45s? What do you think of them? I'm considering them for my 135" CVO ST. I like how short they are. Opinions?
Not sure what cam you have, but they sound awesome with a great aftermarket cam.

If you are running an aftermarket cam, did you already have a dyno tune? If so, you will have to do it again, and you may want to look at the Fuel Moto exhaust inserts to install prior to tuning.
 
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Old Feb 24, 2026 | 10:17 PM
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I have the 550 cam that came with the 135" kit. I have a set of TTIs I can install in the baffles if i need to.
 

Last edited by h-d wrencher; Feb 24, 2026 at 10:19 PM.
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Old Mar 8, 2026 | 08:51 PM
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Finally fired it up today. Damn them things are loud! Sounds awesome.
 
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Old Mar 11, 2026 | 02:58 PM
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They have an XL version that is the same length as the dbx45
m
 
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