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【K2TEC】Cross Exhaust Chamber TYPE-1 (2 Pieces for Right) Review
Cross Exhaust Chamber TYPE-1 (2 Pieces for Right) K2TEC
K2TEC
Cross Exhaust Chamber TYPE-1 (2 Pieces for Right)

Fits: YAMAHA RZ250, YAMAHA RZ350

Japanese Webike user
5/5

RZ250

The original assembly pipe was too noisy, so we replaced it with this one.
Normal chamber was hard to find a good one, so we purchased this affordable one.

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Cross Exhaust Chamber TYPE-1 (2 Pieces for Right)
K2TEC
Cross Exhaust Chamber TYPE-1 (2 Pieces for Right)
Japanese Webike user
5/5

Nginmozhiyyyy.

Chamber K2TEC Right two-piece replaced with SteelChamber

Main jet No. 240 (Mikuni6 Square Large)

Jet needle (Key Star Y137-L)

Clip position 2nd or 3rd from bottom

OEMAir cleaner box&DAYTONA Turbo filter sheet Sugar CrystalType

pig nose removal

There is no exhaust leakage.


The entire project is now Torque fully.

Around 1000~3000 rpm I lost some Torque when starting off, but this is resolved when I put on the pig nose.

Around 5,000 rpm The valley is nicely eliminated and the car turns comfortably from the bottom to the top.

The power band goes from 6000~7500 rpm and then from about 9000 rpm to the second stage of the power band.

It spins to 11,000 rpm with plenty of time to spare, and it looks like it will turn more than that, but I'm afraid so I stop it.



It was more comfortable to change the combination of the three depending on the road to be driven:raising the needle position by one more step, with or without pig nose, and using Air cleaner OEM. View detail