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The official RT thread

Drew

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I'll start...
 

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Dirtmerchant

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2018 R12RT WC with ILIUM Crash Bars and BOS Desert Fox Slip On
 
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Dirtmerchant

Active member
Joined
Feb 8, 2022
Member Number
371
Posts
34
Location
SWFL
Florida lime - I really like it. I've had a slip on of one sort or another on several R bikes over the year and the BOS quality is right up there with Remus and Akra. It is stainless steel so it's not much lighter than the stock unlike the Titanium Remus I had on my CamHead RT or the Akra on my 9T. On the subjective side, I've never been a fan of the chrome hog leg on this RT and I think this blends better and looks a little "sportier". On the sound, it uses an internal screw, below the bolt plug in the pic, to adjust the valve on the lower exhaust opening. At full closed, it is according to their chart quieter than stock and full open it's louder. At full open I don't believe it is as loud as my Remus Hexacone was on my CamHead RT but that was a full system with no cat. The manufacturer says it make a few more ponies but my seat dyno is not sensitive enough to notice much change. I run it full open and don't get any noticeable drone but you can hear it at highway speeds. Where I do notice it is when using the ProShift, you get a nice little POP from it when shifting. A couple of the guys I ride with have said it sounds good so there is that... From a cost perspective, I bought it from an ADV Inmate very lightly used and less than half of what it cost new.

EDIT: Added BOS video below. It is on a GS with the stock exhaust and then with the BOS with the valve closed and then with the valve open. I have been told the RT and GS can is the same with a different inlet pipe so sound should be very similar. I have never heard my bike from behind so I can not confirm....

Also added a power curve chart from BOS

YMMV

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Desert Fox Power Curve.jpg
 
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