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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:
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Developed and race-tested for over 24 months by Yoshimura’s factory team
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Asymmetrical RS-12 muffler design increases power and volume
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Carbon fiber end cap with inset decal and precision-machined joints
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Tapered inlet improves mass centralization and fitment
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Patent-pending PTF insert ring for easy sound insert or arrestor changes
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Improved throttle response and mid-top power gains
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Lighter than stock (8.5 lbs. vs 8.7 lbs.)
Made in the USA with Yoshimura’s signature craftsmanship
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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]
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4.5 ★★★★★
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Product Reviews
★★★★★ 5
Obsessed with these boards!!
Color: Carbonized, Size: 3-piece
I love these cutting boards! It’s one of those items you don’t even know you need until you get them. Three perfect smaller sizes that can be used for so many different serving ideas. Great quality, great price. Definitely worth the buy!!!!
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Reviewed in the United States on May 24, 2026
★★★★★ 5
Economical and descent for price
Color: Carbonized, Size: 3-piece, Color: Carbonized, Size: 3-piece
Pleased with price, style, color, and the 3 sizes of these carbonized bamboo cutting boards. Based on the reviews had the expectation of the "smell", which is the oil used to seal the cutting boards. (I suspect linseed oil was used based on the lingering smell, as the off-gasing process is longer. It's also cheaper than Tung oil and food grade mineral oil.) I work with wood and various oil sealants so the smell is a non-issue. As there are natural ways to speed that process up and minimize the smell. In addition, I will be using fractionated coconut oil or food grade mineral oil to seal cutting boards on a regularly basis (monthly or more frequent). As we live in a dry climate, hard water, and frequent use.
Appreciate the other reviews which lead to our purchase and reasonable expectation of these cutting boards.
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Reviewed in the United States on May 28, 2026
★★★★★ 4
Good but wood smell
Color: Carbonized, Size: 3-piece
These came with a woodsy smell but the price was great for the quality
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Reviewed in the United States on May 8, 2026
★★★★★ 5
Fantastic book! Great introduction to some of the current misunderstandings about the Bible.
Format: Kindle
As a believer, I have wrestled with the issue of why I trust the Bible to be God’s defining word. After all, simply saying that I have faith in God and Jesus and therefore the Bible must be true creates an ever-tightening inward spiral based on nothing more than a belief that it’s true. Probably not the best standard to be waiving. Why I Trust The Bible by Dr. William Mounce answers not only this question, but also whether or not Jesus was real and why the different Bible translations are so different.
We live in an age where we are bombarded with half-truths and deceptions by purported experts whose only requirement is to have a YouTube page. The Bible is no more immune from these barrages of untested and ill-researched ideas than is science or politics, but the stakes are higher. While many refute the authenticity and truthfulness of the Bible, one name stands out among the rest: Bart Ehrman. He seems to be very good at nuancing just the right word to cause a reaction in support of his unfounded claims. Fortunately Dr. Mounce is superb at refuting the often-ridiculous claims as well as correcting minor misunderstandings. What I especially liked about Why I Trust The Bible was the way Dr. Mounce not only disproved the inaccuracies touted by Ehrman, but revealed the underlying false premises and sensationalist comments that Ehrman uses. Dr. Mounce’s corrective approach was very helpful.
Why I Trust The Bible easily counters the common claims and misrepresentations against the Bible’s inspiration. If you want to understand the background of how and why our Bible is accurate, real, truthful, and God’s inspired word, this resource is for you. Dr. Mounce systematically addresses key issues originating from contradictory arguments presented by unbelievers while at the same time answers questions many believers have about their Bible. I especially appreciated the way Dr. Mounce included enough material for each section so that I was able to understand the issue without feeling overburdened. It is an enjoyable read: comprehensive and coherent.
This book opens by evaluating the reality of Jesus, then moves to dismantle common criticisms against the Bible, examines the processes and decisions necessary when translating from the original languages into English, and finishes by addressing some of the perceived claims against the nature of God. While these issues tend to be technical, Dr. Mounce expertly navigates the waters to keep the reader engaged as he addresses the Bible’s history, fundamentals of textual criticism, and interpretative and translation principles. Whether you begin this book with a blank slate in these areas or already understand these issues, the book will fill the gaps.
Too often people confuse their faith in the Bible with how faith (in any proposition) reinforces beliefs and closes one’s mind to other possibilities. Much of what we believe is actually an outgrowth from our paradigms. Dr. Mounce points out that we all have faith-beliefs. For example, if I believe God is able to alter the laws of nature to perform a miracle, then that is my faith-belief. But if I believe there is no God or that miracles cannot happen, then that is also my faith belief. We each assess everything by our paradigms. Although we live in a world that seeks to accept every idea as a relative truth, only one of these propositions can be correct; in the case of miracles, they can either happen or they cannot. One thing that stood out was the tendency for the non-believers to try to make the believer prove them wrong. Dr. Mounce flips the script and places the onus on the non-believer to prove that miracles can happen. He can do that because through his systematic approach to answer the critical questions about the Bible, he shows that it is not a work of fiction and that the events in the Bible were not late additions or were not the result of conspiracies perpetrated by a cabal of nefarious theologians of the past. His book documents the veracity and reliability of the Bible that we now have, and while we may not have the first-edition autographed copy, we are confident we have what the original authors wrote.
There are some who attempt to use the faith-belief premise as an argument against the truthfulness and accuracy or our Bible, but that is the wrong approach because it does not accurately represent the stalemate that exists between believers and non-believers. The problem is much deeper and is more centered on the belief that just because we don’t have the original documents, and that because there are too many discrepancies in the Bible itself, that it is untrustworthy. These are unfounded or inaccurate statements which are not backed by any facts, but are simply distortions, untested by any historic or scientific means. Why I Trust The Bible breaks through the unfounded arguments against authenticity by providing the documentation and proof that it is real, that what it says happened actually did happen, and that those who so diligently protected the text for us through the many generations did so with the utmost respect for God and his word. Yes there are what appear on the surface to be discrepancies. Yes there are variants between the 5,600 plus manuscripts (less than 1/10 of 1 percent even warrant further research). But Dr. Mounce shows how it is not the number of textual differences that matter, but whether or not the differences are significant in any way that they alter the basic understanding of God, Jesus, or salvation. He guides the reader in understanding that although there seems to be a lot of discrepancies, only a small number are viable; they do not alter any truth in the Bible. He proves that, “there is not a single viable variant that calls into question any point of biblical theology, major or minor.”
This book is an excellent choice for anyone wanting to understand how we got our Bible, why we can trust it to be true, that it is the faithful word of God, and how Bible translators struggle with real issues relevant to helping us understand what God said. I have many of the resources listed in the footnotes of this book and have studied these issues in the past, but as in most books I read, I discover new insights and information. This book is not just for the person beginning this study, but is applicable for even those who have studied these concepts. If you don’t have the foundation necessary to believe that the Bible we now have “is the very words of God” or want to learn more about the processes involved in interpreting words and phrases and the various theories of Bible translation, then this is the book for you.
Mike F., MDiv, Theology
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Reviewed in the United States on October 7, 2021
★★★★★ 5
It's Great, but Maybe a Little More on the Topic than Some Might be Ready For
Format: Paperback
Dr. William Mounce's new book, "Why I Trust the Bible: Answers to Real Questions and Doubts People Have About the Bible," is a bit different than his typical work. This book is not specific to learning biblical Greek. Instead, it's a series of arguments for the reliability of the Bible with a much broader audience in mind. Mounce addresses this historicity of Jesus, contradictions in the Bible, how we have the biblical canon, issues of textual criticism, aspect of translation, and how the Old Testament supports our trust in the Bible more than you might think.
"Why I Trust the Bible" is an accessible introduction to a selection of apologetic matters but goes deeper and beyond an introduction. For one seeking to explore these topics--for the first time or deeper study--Mounce does an outstanding job with each of these arguments. Each chapter (corresponding to a question) is well-argued and contains an excellent bibliography of references. Even without any theological knowledge, the book is easy to read, and it stands upon excellent theological study and solid academic work.
While I highly recommend "Why I Trust the Bible," I found the scope of the "questions" and "doubts" limited. As a pastor, there are many questions about the historical Jesus, contradictions, how we got the revelation of God, and issues of translations. Sure. But they often come as more of an attempt to reject the Bible. Mounce's answers are excellent but address the reality of the situation rather than the questioner's heart. It's not something I'd expect to find someone with doubts and totally new to the Bible would pick up this book. Therefore, this book is better suited for the person who handles the questions and doubts of others. It provides the foundation and information to the pastor, Sunday school, teacher, friend, or family member in doubt. "Why I Trust the Bible" is also a helpful book for the seminary student, budding apologists, and preachers of God's Word.
The chapters on textual criticism supply a fantastic framework (complete with charts and history). As we would expect from Bill Mounce, these chapters are a resource every pastor should have on his shelf, ready for when the tough challenges come.
I found the book good and helpful and I have a Doctorate of Ministry and more than a decade of pastoral ministry under my belt. My twelve-year-old son is reading the book and also finding it in formative and helpful (although he also thumbs through my commentaries). My point: there's a little for everyone.
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Reviewed in the United States on September 15, 2021