This page features the slip-on exhausts for the “YAMAHA YZF-R25” that receives favorable attention as the 250cc sportbike, along with the six popular brands that offer those products. Enjoy the video contents that explain the actual sound and impression comments in an easily understandable manner.

Not only its design and sound, but also its weight and performance level have improved!

250cc sportbike is a motorcycle that is grabbing attention of many motorcycle riders. As we are in the middle of the riding season, I assume that many of you are considering the renewal of your bike to this type of motorcycle, or customizing your beloved machine.

The products shown here are all chosen from the product line of the long-established exhaust manufacturers or the first-class brands that participate vigorously at various races. They are all the most recommended items of Webike Japan. I hope this will be of some help.

“WR’s Short Oval Type Slip-on Exhaust S.O.V.”

* Optional part: Exhaust Heat Guard”

Upgrades the travelling of the R25 by optimizing the acceleration response

WR’s knows everything about the exhaust system of the middle-class motorcycles. The acceleration response will be optimized just by having this product, and the ride condition from low to high speed range will be upgraded. The sound is made clear, and its twin-like low sound with a specific entity will bring out the joy of a motorcycle ride.

“MAC MRD EV-R Series Slip-on Exhaust”

Don’t miss out the racelike sound at high rpm range!

It is the MAC MRD exhaust for R25/R3 that has adopted the newly designed Φ 85 titanium silencer and the SUS304 tail pipe that has been coated with the blue O.M.J.N. coating; the first exhaust in the world to have that coating.
Its output characteristics will not go out of balance, and will exceed the original level at all rpm range. It plays an racelike sound especially at high rpm range.
Also applicable to YZF-R3 (JMCA certified).

“K2TEC YZF-R25 BLESS Megaphone Exhaust”

The powerful short type megaphone exhaust

It is the K2TEC exhaust for the R25 created by the international motorcycle rider, Kazuhiro Kubo, who used to participate in the world GP races. It is a powerful short type exhaust, and its compact silencer emits this thick and comfortable sound. The sound quality is not too quiet. Only the squeaking high sound is removed to make it produce the low comfortalbe sound. The standard exhaust comes in three types depending on the shape of the exhaust, and you can choose the one you like.

“OVER GP-PERFORMANCE RS Slip-on Exhaust”

Features a design reminiscent of a racing exhaust

It is the OVER Racing exhaust for the R25 which adopts a short tapered silencer to have a racelike appearance. The volume and quality of the sound were tested over and over again. It is powerful yet conforms to the JMCA regulation. It brings out the torqueful power at all rpm range. It comes with an exhaust cover with an OVER logo.

“YAMAMOTO SPEC-A SUS Slip-on Exhaust Type S”

Only weighs 1.2kg! Ultralight slip-on exhaust

It is the YAMAMOTO RACING slip-on exhaust for the R25 that can be easily replaced. It conforms to the JMCA regulation, while becoming ultra light: only 1.2kg. The product comes with an OEM joint gasket. It is a slip-on exhaust that provides you with free and easy acceleration feel and racelike sound.

“SP Tadao POWER BOX Slip-on Exhaust”

The new “Power Box” exhaust with a sub-chamber

Not a full exhaust system. And not a slip-on exhaust. It is the new “POWER BOX” exhaust born from SP Tadao. The power stirs up from 3,500rpm and then instantly moves into the high rpm range, eliminating the stagnation at 6,000rpm. It is an exhaust developed to let the rider enjoy its tuning. Every “thrill” and “jolly good feeling” are bundled in this small package. JMCA certified.