KIJIMA Motorcycle Exhausts Reviews

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KIJIMA

20 Mar 2024

Inner Silencer DX

Fits: その他

Japanese Webike user

4/5

Effectiveness is good, glad I bought it.

[How is it used?
Exhaust System of Z900RS was replaced and Silencer was Bullet Silencer by K-FACTORY.
The kit came with two baffles, one for the outlet and one for the inlet, and the combination of the two was supposed to allow adjustment of volume and exhaust pressure.
When the outlet type was installed, it sounded like a large dump exhaust system and I could not bring myself to use it. The exhaust resistance of the inlet type was too large and the volume went down a little, but at mid-speed or higher, the exhaust clogged and the large width performance went down.
So, I thought there must be a way to lower the volume while maintaining a reasonable exhaust resistance, so I used this product.

Was the one you received as per Image?
As per Image as I had seen the actual product at the store.

Was the installation difficult?
There is no difficulty if you choose a Size that fits within the inside diameter of Silencer.
However, the Silencer exit diameter is 55Φ for use with Bullet Silencer,
The inside of the punching pipe had to be 45Φ so it was necessary to fill the 10mm gap at the exit.
I looked for a gasket that would fit, but could not find one, so I wrapped a heat-resistant aluminum tape around it.
Also, the Silencer fixing bolt that came with the kit was a retro black ordinary Hexagon bolt, so I used a silver cap bolt that I had on hand.

How was your experience with it?
The volume did not go down as much as I had hoped, but at the moment of startup without any Absolutely not!" The explosion was so loud that it felt like "I know it's annoying, but can you forgive Limit?" This was the Level that
Unlike the Silencer-attached baffle, the Straight structure is maintained, so exhaust resistance is not increased excessively, and the sound quality is not muddy and high-frequency components seem to be suppressed.
In terms of performance, it is not too much at low speeds, but it is not too much at high rpm, and it is not too much at high rpm.
However, the Bullet Silencer, which I almost gave up using because it was too noisy even though I like the look of Large, is now available, and the Silencer is also black and retractable, so it is unobtrusive and I am glad I purchased it.

[Included Parts:were they on?
None in particular

[Was there anything that disappointed you?
It would have been nice if the volume could have been a little lower, but then it would have been a poof clogging.
Once again, I felt that the OEM Exhaust System is well made. View detail

KIJIMA

04 Dec 2023

Exhaust Spring

Fits: その他

Japanese Webike user

4/5

Decent Exhaust Spring

Used for external exhaust system of GSX1300R GSX1300R HAYABUSA

When the exhaust system was replaced with an external exhaust system, the chatter sound of the Gold genus became more loud when the RPM was raised, so it was introduced as a countermeasure against resonance/interference noise.

This product is a type of spring whose Hook rotates freely, just like the springs that come standard with AKRAPOVIC and YOSHIMURA.

It also comes with a Rubber for sound control.
(Although it is shiny and the texture is not so good.)
It seems to have good heat resistance for normal use, but if it is pressed against Cowl or other parts and directly hits the exhaust pipe, it will melt, so care is required.

The spring itself is SUS with a relatively large wire diameter, so it can be tensioned firmly and is rust-resistant and solid.

The Spring is generally as it looks, but one thing to note is the installation length.
Size100mm" means the free length is 100mm.
Note that Tension is not applied unless it is used with some extension.
As per Q&A, it seems that the mounting length is intended to be 120mm.

I tried to install it, but it was a little loose, so I went with the company's M size. (85mm) I bought a new one.

Neck would be the price.
I understand that it is a solid product, but it is a little expensive.
A 4-cylinder Full Exhaust System uses more than 10 springs depending on the type, so the spring alone will cost more than 10,000 yen.
It's a little tough, as you'd expect.

However, the product is solid, and from a quick search, it seems that this size cannot be diverted from AKRAPOVIC or YOSHIMURA's Repair products, so it would be the best solution for those who seek quality over cost. View detail

KIJIMA

10 Nov 2023

Silencer Joint Packing

Fits: Others

Japanese Webike user

5/5

This is a standard component that seals the Well and Pipe together.

[How is it used?
Black dirt was dripping under the joint between the Chamber and Silencer, so I checked the packing and found a small amount of exhaust oil leaking out. 。 Packing was replaced about 6 years ago when the Chamber was cracked and replaced, so the surface was also cracked and had reached the end of its life span! 。 Still, it is amazing that there have been no problems for six years.

How was your experience with it?
I have been using it as a standard for some time and it is Just fit.

How did it compare to other products?
It is the one and only component that cannot be compared.

[Points to note]
Although Large is strong even when used in its original state, experience has shown that there are two key points to increase durability.
(1) Do not throw away the old part Clamp you removed, but use it (1 piece) 。 The new part has two Clamps at the front and rear ends of the packing, but by adding the Clamps from the old part to the center section, three Clamps can be used to secure the packing more securely and stably for a longer period of time.

2) Apply heat-resistant SiliconSealer to the joint of the Pipe (the part where it plugs in) and the entire inside of the Packing, and assemble. (If you are concerned about the appearance, wipe off any protrusion.)

Other items that would be helpful
Items to buy together:Silicon-based oil-resistantGasket Ultra CopperRTVSilicone View detail