SKU: 59597831354

Yoshimura - RS-12 Full System (Yamaha)

Sale price$400.93 Regular price$445.48
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Description

Yoshimura - RS-12 Full System (Yamaha)Yoshimura RS 12 Full System (Yamaha) After more than two years of factory level development and race testing, the Yoshimura RS 12 Full System brings pure championship DNA straight to your Yamaha. Every detail was built for performance from the aggressive asymmetrical muffler design that increases volume and flow, to the matte carbon fiber end cap and precision machined joints that make this system both functional and beautiful. The RS 12 was

Yoshimura – RS-12 Full System (Yamaha)

After more than two years of factory-level development and race testing, the Yoshimura RS-12 Full System brings pure championship DNA straight to your Yamaha. Every detail was built for performance — from the aggressive asymmetrical muffler design that increases volume and flow, to the matte carbon fiber end cap and precision-machined joints that make this system both functional and beautiful.

The RS-12 was engineered for maximum gains in power, throttle response, and durability. Its tapered inlet design moves the system closer to the bike’s center of gravity, improving handling and balance. The result? A system that adds power while trimming weight and giving your Yamaha that deep, tuned Yoshimura tone. The patent-pending Precision Taper Fit (PTF) insert ring makes swapping out inserts or spark arrestors quick and simple — no frustration, no struggle, just track-ready performance and pro-level refinement.

Why We Like It:
It’s everything a Yoshimura system should be — race-proven, lightweight, and flawless in both sound and craftsmanship. The carbon fiber end cap, tight welds, and sculpted lines make it look factory fresh, while the tone and power feel straight off the Supercross circuit.

Why It’ll Work for You:
This system makes your Yamaha feel stronger everywhere — quicker throttle pickup, smoother pull, and noticeably better response through the revs. The improved weight balance helps the bike feel lighter and more stable, while the carbon cap and titanium finish add that unmistakable Yosh look. It’s plug-and-play performance that transforms how your bike rides and sounds.

Variants / Options:
Includes full stainless header and mid-pipe assembly. Compatible with Yoshimura repack kits, sound inserts, and spark arrestors (sold separately).

Key Features:

  • Developed and race-tested for over 24 months by Yoshimura’s factory team

  • Asymmetrical RS-12 muffler design increases power and volume

  • Carbon fiber end cap with inset decal and precision-machined joints

  • Tapered inlet improves mass centralization and fitment

  • Patent-pending PTF insert ring for easy sound insert or arrestor changes

  • Improved throttle response and mid-top power gains

  • Lighter than stock (8.5 lbs. vs 8.7 lbs.)

Made in the USA with Yoshimura’s signature craftsmanship

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 59597831354

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Amazon Customer
Omaha, US
★★★★★ 5
Son loves them!
Size: Large, Color: Black (6-pairs), Number of Items: 6
My son loves these socks! Comfy, good quality.
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Reviewed in the United States on May 20, 2026
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Tori M
Whiting, US
★★★★★ 5
Good fabric
Size: Medium, Color: White, Number of Items: 6
Nice socks. Would buy again.
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Reviewed in the United States on March 23, 2026
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Sarge Howell
West Palm Beach, US
★★★★★ 4
Quality and durable socks
Size: Large, Color: White (6-pairs), Number of Items: 6
Great quality socks. This pack was a lot taller on the cuff and bigger than previous batches I have had. Not sure what the change was, but giving it 4 instead of 5 because I preferred the smaller shorter ones they previously made. But these are great quality socks, and last a long time.
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Reviewed in the United States on February 8, 2026
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Rafael Mota
Grantham, US
★★★★★ 5
A Game-Changer for Comfort
Size: Medium, Color: Black, Number of Items: 6
I recently upgraded my workout gear with the Under Armour Training Cotton Quarter Socks, and I must say, these socks have revolutionized my exercise experience. Comfortable, durable, and stylish, they truly stand out in the crowded world of athletic socks. First and foremost, the comfort level of these socks is unparalleled. The blend of cotton and synthetic materials provides a soft and plush feel against my feet, making every step a pleasure. The quarter length strikes the perfect balance, offering ample coverage without being too restrictive or too short. It's like walking on clouds, even during the most intense workouts. One of the standout features is the moisture-wicking technology. I've worn these socks during high-intensity cardio sessions, and they have consistently kept my feet dry and comfortable. The breathability is remarkable, preventing that uncomfortable feeling of sweaty feet that often accompanies strenuous workouts. No more distractions – just focus on pushing through your fitness routine. Durability is another strong suit of these socks. After numerous washes, they maintain their shape and elasticity, showing no signs of wear and tear. The reinforced heel and toe areas provide extra support, ensuring longevity and preventing the dreaded sock holes that often plague other brands. The sleek design of the Under Armour Training Cotton Quarter Socks adds a touch of style to my workout attire. The subtle logo and choice of colors make them versatile enough to pair with any athletic shoes. Whether you're hitting the gym, going for a run, or simply running errands, these socks seamlessly blend fashion with function. In terms of sizing, I found that they fit true to size. The elastic band around the arch provides a snug yet comfortable fit, ensuring that the socks stay in place throughout any activity. While the price point may be slightly higher than some other options on the market, the quality and performance of the Under Armour Training Cotton Quarter Socks more than justify the investment. When it comes to comfort, durability, and style, these socks have become an indispensable part of my workout wardrobe.
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Reviewed in the United States on January 3, 2024
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Carol Foshag
Lowell, US
★★★★★ 5
Well made
Size: Large, Color: Black (6-pairs), Number of Items: 6
These are the only socks that my 12 year old Grandson will wear. He's very picky. LOL
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Reviewed in the United States on March 2, 2026

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