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  Topic Review (Newest First)
11-24-2019 07:01 PM
Hans&Feet Some cat systems are restrictive.
Kitchen sink basket strainer has been used in exhaust pipes as baffles..
Bar strainers are slightly smaller.

Look up the Riley mod. Google: vtxoa: riley mod
I saw the 1st and 3rd pages searching for images.
11-24-2019 06:29 PM
senecagreen about an inch past the catalyic converter is a plate that looks like a shower drain. Once I get all the cat out I will be able to see of there is a tube connected to it. I think the effect of removing the cat from the muffler will be like deleting the resonator from your oem exhaust on your truck. Slightly more volume without a change in tone.
11-24-2019 12:08 PM
Hans&Feet
Quote:
Originally Posted by senecagreen View Post
I have a 1800c with stock unmodified exhaust. I found another stock c exhaust and am in the process of removing the cat from the front of the muffler. so far I half about half of it removed. I was suprised to find it is at least 6" long. Will take some pics of before, during and after so you can see the design of the muffler which is what I was curious about...I dont want to drill out the back of the muffler. I suspect removing the cat will give a noticeable increase in volume but not be too loud. I am no engineer. The Honda engineers that designed this muffler know more about sonic waves, reversion, backpressure, etc. than I do. I am sure they used a high flow catalytic converter since it is so long. I expect to enhance the stock sound without making it sound crappy. The beauty of having another stock muffler to work on is if I destroy the muffler or make it sound crappy I can always put the original back on lol I will try to find a db meter so I can record the actual difference at idle and mid rpm.
I believe someone installed a straight through glass pack muffler on a C exhaust once.
Tractor mufflers were used on another VTX once.
11-24-2019 09:52 AM
senecagreen I have a 1800c with stock unmodified exhaust. I found another stock c exhaust and am in the process of removing the cat from the front of the muffler. so far I half about half of it removed. I was suprised to find it is at least 6" long. Will take some pics of before, during and after so you can see the design of the muffler which is what I was curious about...I dont want to drill out the back of the muffler. I suspect removing the cat will give a noticeable increase in volume but not be too loud. I am no engineer. The Honda engineers that designed this muffler know more about sonic waves, reversion, backpressure, etc. than I do. I am sure they used a high flow catalytic converter since it is so long. I expect to enhance the stock sound without making it sound crappy. The beauty of having another stock muffler to work on is if I destroy the muffler or make it sound crappy I can always put the original back on lol I will try to find a db meter so I can record the actual difference at idle and mid rpm.
09-05-2019 07:32 PM
68valiant
Quote:
Originally Posted by Old Cruiser View Post
I have been reading about the stock exhaust modifications that are done by vtxexhaust.com. I am considering having my stock exhaust modified on my 2006 VTX 1800S. I have read many customer comments on their web site, but would like to hear from any members who have either had it done, or heard the pipes of another rider with this modification.
I want to make my exhaust louder than stock, but I don't want it to be objectionably loud. I am looking for anyone with experience hearing the exhaust note of the vtxexhaust.com
Thanks for any comments.
I have the VTXExhaust.com mod on my 1800N. It made it sound more like a classic muscle car and less like a Singer sewing machine. I did the Pair Valve/Air Box mod as well.

The only issue I had is that until I put the Cobra FI2000R controller on, was constant popping on deceleration. With the programmer, I have no more popping and am still getting an average of 40 mpg. I did run some 4" long baffles from J&P for a while, since the newly modded output pipe is a standard larger size. I didn't run them long as it wasn't the sound that I was after.

Best of luck! You have already made the right decision by riding a VTX.
09-05-2019 12:08 AM
gonzvj Here is a link for the sound on mine with this mod. I hope you can see it.
https://photos.app.goo.gl/nwcLt6x1Rcu8bqid8
09-04-2019 11:55 PM
gonzvj That is not my bike. I just made that mod on mine.
09-04-2019 10:54 PM
pushrod
Quote:
Originally Posted by gonzvj View Post
Check this exhaust mod out. I did it 2 years ago and I am very happy with the results.

https://www.vtxcafe.com/threads/vtx1...install.79017/
The bike in the photos in your link does look real nice.
09-04-2019 10:14 PM
gonzvj Check this exhaust mod out. I did it 2 years ago and I am very happy with the results.

https://www.vtxcafe.com/threads/vtx1...install.79017/
09-03-2019 11:40 PM
BobSill
Quote:
Originally Posted by backstabber View Post
I have vtx.exhaust.com on my bike and I like it. I run the baffle with no packing. The VTX1800 is not known for its great exhaust note no matter what the exhaust used is. So when I say I like it its in the realm of the 1800 not compared with any other bikes. Also by the time you ship back and 4th not sure you save that much. I liked the look of the original muffler so I had them gut and shorten works for me. Hope you figure out what works for you. O the video in my sig is VTX.exhaust.com with no baffle at all


I agree, I have done that same change years ago and the sound is much better than stock but they still look like the stock stacked R pipes that I like. I also run the baffles to quiet them down to a sound I can stand. The offset crank pins of VTX 1800 will never sound like a HD or even the VTX 1300 which operate from a single crank pin setup!


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