Feature(may vary by option.)

●Epie Gathering:
●Oil Replacement: Yes / Oil Filter Replacement: Yes
●Tail pipe: Stainless steel
●Silencer: Stainless steel (carbon)
●Vehicle Model: jbk-dg15j
●Engine type: g363e
●Automotive emission test results certificate: Yes

[Metal Magic Cover]




[Titanium Cover]




[Stainless steel cover]





Description

Product Description

The "RS-4J" is a cyclone that combines Yoshimura Japan technology with a silencer design for USYoshimura motocross that is active in AMA Supercloth.
The corn end is made of a luxurious carbon material. The front of the silencer has laser marking processing of "RS-4J" and the "Double Emblem" on the back side of the silencer has been given a standard specification.
The lineup has a slip-on design that makes it easy to change. Approximately 40% lighter than standard mufflers (STD:5.1KG,RS-4J Titanium Cover:3.1KG).
Performance characteristics eliminate valleys around 5,000 rpm generated by standard mufflers for smooth blowing. It produces a rich amount of torque in a particularly normal medium rotation range. Less depression after peak power and exceeds standard muffler performance throughout the entire range.
What is EXPORT SPEC?
The EXPORT SPEC reflects requests for overseas users, and the craftsmanship of Tigs (welding) has been given an emphasis on performance. By using heavy duty stainless steel material, Yoshimura unique design and style are achieved with an excellent price for money.
Off-road racing use is not covered under warranty.
Yoshimura Scarf
All JMCA compatible cyclones except racing cyclones are backed by a 2 year warranty. Within 2 years of purchase, in accordance with the instruction manual and other warnings, we will repairing any inconveniences to the product used successfully.
We will not accept any **service for the scarf that has been illegally modified.

Indications

Not compatible with European vehicles with O2 sensor



From the Manufacturer



About Yoshimura Cyclone

Concept1 High Performance

Yoshimura Japan generically referred to as cyclone made by our company, and we carefully produce each piece according to the concept of high performance, high quality, and various regulations.

Every detail has Yoshimura know-how and high performance.The intake system setting in the STD state, pursuing a thicker and smoother torque curve, while focusing on the ease of handling in the practical range you can get.

Yoshimura set a variety of development test menus including chassis dynamo tests and run tests to accommodate a variety of riding scenes, and we only produce the products that have passed the test from countless prototypes and deliver them to you with confidence.Silencer emblem applied to the end of the manufacturing process.The Yoshimura logo is hidden in high performance and confidence in the product.

Concept2 High Quality

Yoshimura JAPAN Cyclone Scarf has been adopted since its birth, and we use SUS304 new in 91 and then titanium material for the purpose and purpose.

Titanium is excellent in terms of durability, ease of maintenance, and temperature burns unique surfaces, but it is a material that requires production skills when it comes to manufacturing processing, welding and other productivity.However, Yoshimura strives to create high quality products using diverse production technologies to satisfy all users.

If you have got Yoshimura Cyclone in your hand, please check out the details and various processing techniques including welding beads.Each of them is Yoshimura answer aiming to be "high quality".

Concept3 Regular

The JMCA has become a familiar with you.Yoshimura agrees to its activities as a member of its own and as a company in society.We believe that this will give you a product that will last you a long time.

Specifically, the scarf is manufactured under the nations security standards, and has undergone a fair inspection by the Japan Vehicle Inspection Association, and it has passed it and is mass-produced and sold after passing it.Therefore, it will be completely identical to the original muffler than the specified vehicle without defects.The scarf (excluding racing) released by Yoshimura JAPAN has clear JMCA standards.

Color variations *There are colors that are not available depending on the car model.

Aluminum cover

Used in Monkey TYPE-3 and Katana Sword Titanium Cyclone.

Stainless Steel

The most standard cyclone cover.Features a bright glossy shine that is unique to stainless steel.

Satin finish

Traditional mirror finish stainless steel material with special surface treatment.The pearly finish stainless steel has a texture of titanium material while maintaining durability.

Titanium Cover

Lighter weight cover than stainless steelIt is corrosion resistant and features a unique high gloss finish that is characterized by titanium.

  

  

  

Titanium Blue Cover

This is a silencer cover in a blue color that attracts the eye.

Carbon Cover

The lightest cover in all variations!

Metal Magic

This cover combines the texture of carbon and the durability of stainless steel.

Product description

Product Description

The "RS-4J" is a cyclone that combines Yoshimura Japan technology with a silencer design for USYoshimura motocross that is active in AMA Supercloth.
The corn end is made of a luxurious carbon material. The front of the silencer has laser marking processing of "RS-4J" and the "Double Emblem" on the back side of the silencer has been given a standard specification.
The lineup has a slip-on design that makes it easy to change. Approximately 40% lighter than standard mufflers (STD:5.1KG,RS-4J Titanium Cover:3.1KG).
Performance characteristics eliminate valleys around 5,000 rpm generated by standard mufflers for smooth blowing. It produces a rich amount of torque in a particularly normal medium rotation range. Less depression after peak power and exceeds standard muffler performance throughout the entire range.
What is EXPORT SPEC?
The EXPORT SPEC reflects requests for overseas users, and the craftsmanship of Tigs (welding) has been given an emphasis on performance. By using heavy duty stainless steel material, Yoshimura unique design and style are achieved with an excellent price for money.
Off-road racing use is not covered under warranty.
Yoshimura Scarf
All JMCA compatible cyclones except racing cyclones are backed by a 2 year warranty. Within 2 years of purchase, in accordance with the instruction manual and other warnings, we will repairing any inconveniences to the product used successfully.
We will not accept any **service for the scarf that has been illegally modified.

Indications

Not compatible with European vehicles with O2 sensor

Product information