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【YAMAHA OEM Motorcycle parts】Pipe，Exhaust System 1 99999-03019 Review
Pipe，Exhaust System 1 99999-03019 YAMAHA OEM Motorcycle parts
YAMAHA OEM Motorcycle parts
Pipe，Exhaust System 1 99999-03019

Fits: YAMAHA SR400, YAMAHA SR400, YAMAHA SR400C, YAMAHA SR400S, YAMAHA SR400S

Japanese Webike user
5/5

Now that I think about it, it's a very labor-intensive product.

My SR400 is becoming more and more NORMAL.
Fender was also a gem, but the exhaust pipe and exhaust pipe also took a lot of time and effort.
External Material:Bought back OEM Exhaust pipe from Stainless Steel Exhaust pipe.

Motorcycle Exhaust Pipe
The exhaust pipe is the pipe that connects the engine to the silencer. "Exhaust pipe" also called 。 Since the entire exhaust pipe is replaced, the cost is higher than the Slip-on Silencer, but in return, a large weight reduction and power increase can be expected. 。 The exhaust pipe is also changed so that the stress-up effect is even higher.

Effect of Exhaust Pipe
The exhaust gas is discharged from the combustion chamber of the combustion engine, and is led smoothly into the large air mass so as not to cause heating damage to the surrounding equipment. 。 Another important role of the large is the heavy role of adjusting exhaust efficiency.

What is good about SR's exhaust pipe?

OEM exhaust pipe of SR
...◎Triple structure
Initially, the engine had a triple structure with three pipes to prevent burning of the plating and the resulting internal rusting. As exhaust gas regulations became stricter, the exhaust gas inevitably became hotter when trying to increase combustion efficiency. Although there were already double pipes, if they were bent as they were, the pipes would stick to each other and burn the plating.
.......ice bending
In order to make the inside of the triple structure hollow, we filled it with water, froze it, bent it with a bender, thawed it, and squeezed the back end. 1 pc every 20 seconds, the exhaust pipe hanging from the Conveyer comes around through the Large type freezer, just like butchering work (laugh).


[After exchange]
◎The exhaust noise has become quieter; it is a triple-layered structure, which helps to reduce noise.

I think that the thickness and shape of the OEM allows the exhaust pressure to stay in the Straight instead of being exhausted directly, which is why the exhaust pressure control is possible.

◎Carburetor settings are easy to produce. I think that in combination with an external Slip-on Silencer, you only need to adjust the Pilot Jet.

If you are looking for more power, I think Straight is the way to go. If you are looking for stable performance and longevity, I think OEM exhaust pipe is the way to go.

Very time-consuming (Cost) SR was doing what it took a lot of time and effort to make even a single exhaust pipe. However, even considering the cost of living, it is necessary for a manufacturer to keep making old motorcycles in the same way, and the special Fender and Exhaust System described below can be considered a good value for money. If you look at the special Fender and Exhaust System described below, it can be considered a good value for money.

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