The CB1100 Community Forum

I was very happy with the little time it took to get my pipes from Australia to our house in NC .

Tracking shows out for delivery.

When I received the pipes I used a dremel tool to take the burs from the inside where they cut slots , probably not needed as pipes slide together well but it "feels' better "

Yes- I’m not expecting nice welds or quality control.

This is what it is- an old guy making pipes by hand. Probably not tig- and definitely not a stack of dimes. I’d be very surprised if he purged the pipes.

But, since I can use a center stand and he put on larger O2 bungs for me- there was no other option.


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Powerdubs , you might be surprised at the good quality of these pipes , I am very happy with them for that price.

As mentioned- to keep the center stand and have him accommodate the larger O2 bungs- I am happy.

That being said, people should understand what they are getting.

I have not seen a Moriwaki exhaust in real life, but I am sure the build quality is excellent. The staintune muffler and arrow header I have are excellent.

I have owned a LOT of custom exhausts, intake manifolds, suspension components on many bikes, cars, quads, jet ski, turbo kits, etc.

Here are examples of quality welds-










What this guy does is quick ‘tooth paste’ welds of questionable quality and then took a grinder to them before chroming to make it look a little less sloppy.

Also the bends are not mandrel, so you can clearly see the creasing.

Will it work? Sure. Does it look poorly done- yes, to anyone who knows what they are looking at.

Are the welds as strong, or will last as long? Doubtful.

There are a couple spots I wonder if he even got a complete weld. Who knows if the temperature was correct- and as I said earlier, I very much doubt he purged the pipes.

As a few years pass- the welds could crack, the joints can rust. Especially the seams... just like the old
mufflers in the 70’s.

They will still look and sound cool- just use these pictures as reference to know what you are buying-













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My fave exhaust is 4-2. I had a couple of early '90s Nighthawk 750. One had 4-2. I removed the end plate, pulled out the snorters and cut two inches off each one and reinstalled. It sounded sweet! The next one had 4-1, with a giant Yoshi can that I rewrapped four times to get it's sound down to reasonable levels. My current '13 CB is 4-1, and it sounds like a hair dryer, even after drilling the end cap.

Yea- looks wise, a 4-2 megaphone would be the match for my bike’s style.


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I had my 2014 with the Pipe Master 4 into 4 out again this morning , I am VERY happy with the way it looks , sounds and runs ! A lot of positive comments from riders I met on the BRP .

Parts needed to install should arrive before the weekend. Undecided when I am going to tear the bike apart again.


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