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Yoshimura RS-4 Slip-On Exhaust Kawasaki ZX6R/ZX636 2013-2014
  • Stainless Steel
  • Carbon Fiber
  • Yoshimura RS-4 Slip-On Exhaust Kawasaki ZX6R/ZX636 2013-2014
  • Yoshimura RS-4 Slip-On Exhaust Kawasaki ZX6R/ZX636 2013-2014
  • Yoshimura RS-4 Slip-On Exhaust Kawasaki ZX6R/ZX636 2013-2014
  • Yoshimura RS-4 Slip-On Exhaust Kawasaki ZX6R/ZX636 2013-2014

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Yoshimura RS-4 Slip-On Exhaust Kawasaki Ninja ZX-6R / ZX-636 

While the RS-4 was debuted as Yoshimura's premier exhaust for off-road racing applications, they couldn't stop there. They have mated this sophisticated and stylish muffler to compliment the styling of the new Kawasaki Ninja ZX-6R. The RS-4  pentagonal shaped muffler features a carbon fiber end-cap, two-staged stepped baffle and striking good looks.

The RS-4 muffler features a new front cap design that functions as a poly-resonant chamber, thus creating a more quiet muffler with improved mid-to-top end power.

Along with improving sound and power, this system moves the muffler weight lower and closer to the bike for improved handling and weight distribution.

Note: This exhaust is CARB compliant. Please check local laws before purchasing. Some modifications may be prohibited in some states.


This Product Fits:
Ninja ZX-6R 2013, 2014
Ninja ZX-6R ZX636 2013, 2014
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Yoshimura RS-4 Slip-On Exhaust Kawasaki ZX6R/ZX636 2013-2014 4.7 5 9 9
Great product. So far this has been a great buy. Shipped and delivered quicker than expected and I was extremely pleased with the updates from Revzilla. Had my old can off and the Yoshi bolted on in less than 6 minutes. Fit and finish is excellent and it sounds great. Still has that triple sound, just a little louder and throatier, bit more of a crackle on the overrun and the sewing machine "zing" is gone. It drones a bit on the highway, depending on speed/rpm but I usually wear headphones anyway. I haven't had it long enough to rate the durability but it seems very well made - it's titanium and carbon fibre. Overall I'm very pleased with it. July 29, 2014
Great Value - 2014 Yamaha Super Tenere! This exhaust was listed for a 2012 Yamaha Super Tenere. After a lot of research I purchased it for my 2014 Tenere and it fits and performs perfect. Very easy to install! Sound is decent; not too loud and gives the bike a little growl. The most noticeable improvement is the performance off the line and at low speed. I gave the "Finish" a good rating due to the exhaust tip not fitting flush to the muffler. There is a gap that is very noticeable and I'm unable to get it to fit flush. I was very close to purchasing the Akrapovic, but it is ridiculously expensive for a slip on. This Yoshimura offers great value at a reasonable price. July 28, 2014
Quality Product It's still wintertime so haven't had much time to fully test the exhaust. It was simple to put on and feels like a quality product. Total install time was maybe 30 minutes. I've ridden maybe 30 miles with the silencer in and it sounds perfect. Slightly deeper tone and a little more throaty than stock. No noticeable power difference and didn't expect any. I bought for the price and value per dollar which I think was properly advertised. Looks better and weighs less than stock. March 4, 2014
Beautiful exhaust! I had my slip-on options down to the TwoBros, and the Yoshimura RS-4. I choose the RS-4 because I was worried about noise. After the install, which was very easy, I'm happy for my choice. I love the looks, and it's only slightly louder than stock. I was also surprised to feel an extra kick in low gear on acceleration. Beautiful exhaust, and it does what it's supposed to. January 5, 2014
Great exhaust with a few issues The exhaust is great, sounds great, looks great mounts great! BUT the clamp on the exhaust is too big and allows for the exhaust to basically move freely on the header pipe. The clamp cannot be tightened anymore as it has bottomed out. Also. The positioning of the exhaust directs exhaust gasses at the left rear side reflector and guaranteed will melt it as it did mine. October 18, 2013
Solid slip on The only thing I was dissapointed in was the craftsmanship of the mid pipe. Pipe slipped inside the other pipe, then wire fed. Positive: nice sound, can looks good, easy installation! October 14, 2013
exceptional value, awesome look, and awesome sounds Bought this for my 2011 zx6r, the installation was very simple, and really anyone could do the job..the only tool someone may need is the security torx bit to remove a screw for throttle servo. 9.00 at home depot and total time involved was less than an hour start to finish. July 22, 2013
Sleek, nice sound. I finally rode a few hundred miles to give an accurate evaluation of the Yoshi RS-4. I chose the Yoshi for its adaptability to the my 2009 ZX-6r’s existing ECU map, its slightly louder sound, streamlined, sleek look and its bang for the buck. The bike sounds perfect, IMO, and has a nice growl when on it but quiet enough so it won’t attract unwanted attention. It a bit lean when totally off the gas due to better flow and the elimination of the stock restrictor valve, actually I like that as well. It seems to run a bit stronger throughout the RPM range. Appearance wise it’s fantastic compared to the stock behemoth! Finally RevZilla’s price, return policy and free shipping made the choice an easy one. May 1, 2013
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Yoshimura RS-4 Slip-On Exhaust Kawasaki ZX6R/ZX636 2013-2014
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RevZilla Store asked: Why did you choose this?
Chadrick D: It's a beautiful exhaust, and I wanted my bike louder than stock, but not obnoxiously loud. It's absolutely perfect! Jan 24, 2014
Product Style RevZilla SKU ID Manufacturer Product # Availability
Stainless Steel / Slip-On 910678 146412D520 Available: Usually ships in 1-2 business days
Carbon Fiber / Slip-On 910676 146412D220 Available: Usually ships in 1-2 business days