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Yoshimura RS-4 Exhaust System Suzuki DRZ400 S/SM
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  • Aluminum
  • Aluminum
  • Aluminum
  • Aluminum
  • Aluminum
  • Aluminum
  • Carbon Fiber
  • Carbon Fiber
  • Carbon Fiber
  • Carbon Fiber
  • Carbon Fiber
  • Carbon Fiber
  • Carbon Fiber

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MSRP
$849.95 - $1,050.95
Your Savings (18%):
$153.00
Your Price
$696.95
Please select a Material to view availability.

Yoshimura RS-4 Exhaust System Suzuki DRZ400 SM / S 

The RS-4 Twin Pipe Exhaust System was previously only available as a custom system for Kevin Schwantz who was passionate about these pipes on his Super Motard bike. He wanted his bike to look like a "Hot Rod" and have a "cool" factor. Yoshimura obliged and one of their most sought-after-yet-unobtainable pipes was created, which, up to now, was not available to the general public.

Yoshimura is offering these incredible “Twice Pipes” which are completely fabricated by hand and TIG welded to perfection. They certainly sit at the high end of what is available for the mighty SM... but that's what Kevin wanted! The pipes have a stainless steel header and Y pipe mated to twin carbon fiber RS-4 mufflers for incredible looks and performance. The kit also comes with a custom Yoshimura kick-stand.

Note: Please check local laws before purchasing. Some modifications may be prohibited in some states.

Resources:

View Fitment Notes & Exceptions

Fitment Notes & Exceptions

  • Includes Yoshimura custom kick-stand that MUST be installed
  • Includes Yoshimura kickstand bypass plug that MUST be installed
  • Eliminates passenger footpegs
This Product Fits:
Suzuki
DR-Z400S 20002013
DR-Z400SM 20062013
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Yoshimura RS-4 Exhaust System Suzuki DRZ400 S/SM 5 5 6 6
Sounds amazing! This exhaust literally only took me 15 minutes to install! Sounds great. Fits like a glove. July 13, 2014
Great sound, great power! I bought this for a 14 SM I just picked up. Kind of a pain in the butt to get everything lined up but once it is it looks great and sounds awesome. Very deep and throaty at low RPM and sings at high RPM. Almost couldn't tell its a thumper! Down sides more weight then an RS2 system but supposedly it makes more power so it very well may even out. You lose your passenger pegs which didn't really bother me. The exhaust mounts where the pegs go. Finally if you go down you are going to be buying a new pipe. Still seems worth it to me and its different then what's on most SMs April 25, 2014
Great Product, Nice Sound Installed this over the weekend. TIP - Pull up the directions for the Two Brothers exhaust system if you want some better directions on how to remove your old exhaust. I fail at life when it comes to doing my installs so this took more like 3 hours for me lol. The exhaust sounds much deeper and nicer in person ( I kept the DB insert in it.) I am extremely happy with the quality of the part. I used the spacers and all and will keep the DB insert in it for now. My 2013 Ninja 650 ABS does backfire a little bit now but I haven't decided if I will end up committing to getting a power commander or juicebox. We'll see. :) Am very happy with my purchase. May 27, 2014
Great Sound and Looks, No need for Power Commander or Juice Box I bought this exhaust for my 2013 Kawasaki Ninja 650. The sound of stock was docile and I wanted to be heard on the street and be safe, specially from the Car Drivers talking on the phone, while sipping their coffee and making a turn on intersections - or changing lanes :) 1. Even with the quiet insert that comes standard-pre installed, the sound is Loud, I was riding by and a couple of times cops gave me 'I hear you riding by' look in NJ :) ....I'm sure it would be insane louder without the quiet insert. I've heard people driving with mad loud exhausts in NJ anyway... 2. Power commander is not needed and this works fine as stock replacement, unless you are tuning for a particular race track and want to change fuel supply map to a custom map. I got this reply in email from Yoshimura customer service. Alas, I had already bought and installed it by then since they took two weeks to respond :). 3. I got the installation of the full exhaust and power commander V done by the dealer, after buying these from Revzilla. He charged me for 2 hours of labor for installation of both the things and computer tuning for standard map for power commander. Even though the bike only had 1000 miles I changed the gaskets .....what is another 30 bucks while i'm throwing in all my savings on Mods:) 4. Can't comment on durability as I've had this for only 50 miles but Revzilla wouldn't let me leave it alone so I've rated excellent Cheers !!! May 23, 2014
great exhaust purchased this exhaust because i want to be heard. Really easy install about less than a hour to do and what a great sound! April 18, 2014
excellent design After an exhaustive search of every available system for this bike, I settled on the yoshimura and the final result exceeds my expectations. In terms of design, they really nailed it. No other system (in my opinion) integrates so seamlessly into the unique styling nuances of the 2012-14 ninja 650. The materials, fit, finish, and construction are all superb. The stock headers, mid pipe, and canister are garbage in comparison. I verified with yoshimura (and received the comprehensive reply the same day) that this system is designed to run with the stock fuel settings. Dyno charts are on par with everyone else's...Arrow, Remus, and Akrapovic are the other systems that received my most serious consideration. Installation was painless - aided by the precision design. Didn't even try it with the db killer in, that went straight into the garbage. Almost a shame because that too is beautiful. CNC machined aluminum with a stainless tube. End result, night and day. Loud. But crisp and clean. I'd describe the sound as similar to a smaller cc ducati with an aftermarket exhaust, but cleaner and more crisp. Pleasantly loud with the typical twin boom-boom. Night and day improvement to throttle response. Less abrupt engine braking upon decel. And the fueling is spot on. Agree or disagree...I don't care. But that is my educated opinion. I don't usually write reviews, but there isn't much good information written about this system on this bike, so I'm hoping it helps someone fretting about their own exhaust choice. January 28, 2014
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Yoshimura RS-4 Exhaust System Suzuki DRZ400 S/SM
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Product Style RevZilla SKU ID Manufacturer Product # Availability
Aluminum / Full System/Dual Muffler 846438 2166523 Available: Usually ships in 1-2 business days
Carbon Fiber / Full System/Dual Muffler 846442 2166524 Available: Usually ships in 1-2 business days