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Description
YOSHIMURA RS-12 Signature Series Full Exhaust System - Honda CRF 450R/RXAfter over three years in development and testing the RS 12 is here! With all its details, the RS 12 takes the system to a new level: Improved performance gains, weight reduction and fit when compared to previous generation design Developed and tested with HRC Honda Racing World Champion Tim Gajser Aggressive, intelligently designed, asymmetrical shaped RS 12 profile allows maximized muffler volume RS 12 systems utilize precision machined joints :
After over three years in development and testing the RS-12 is here! With all its details, the RS-12 takes the system to a new level: Improved performance gains, weight reduction and fit when compared to previous generation design
- Developed and tested with HRC Honda Racing World Champion Tim Gajser
- Aggressive, intelligently designed, asymmetrical shaped RS-12 profile allows maximized muffler volume
- RS-12 systems utilize precision machined joints : improved system life, fit and performance
- Carbon end cap covers inner cap mounted design improves durability
- Easy to install and remove sound inserts and spark arrestors
- Tapered muffler body inlet design of RS-12 enables the system to be pushed forward thus helping with weight centralization without sacrificing performance
- Proudly designed, developed and made in the USA
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.3 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 5
Great quality highly recommended
Great quality highly recommended for the summer or used on the oven great size
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Reviewed in the United States on May 22, 2026
★★★★★ 5
Good
Good value
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Reviewed in the United States on May 3, 2026
★★★★★ 5
Easy To Use
These work great for a really good price. I love using these when I'm making dishes that would be difficult to clean otherwise.
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Reviewed in the United States on March 15, 2026
★★★★★ 5
Good buy
Love these. Easy clean up and use. As described
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Reviewed in the United States on March 7, 2026
★★★★★ 4
Value, Durability, Everyday Use
What I liked:
- Price-to-value is the standout. These were significantly better priced than similar packs I’ve bought from local grocery stores and big discount retailers.
- For everyday, disposable use—think casseroles, baked pasta, brownies, roasted veggies—the lighter weight is perfectly fine.
- They stack neatly and are easy to store, which matters when you’re buying in bulk.
What I didn’t like:
- They’re a bit flimsier and not as thick as the store-brand pans I’ve used before. You can feel the difference when you handle them.
- For heavier dishes (large lasagnas, big roasts, or anything dense with sauces), a single pan can flex more than I’d like.
How I used them:
- Over the past couple of weeks, I’ve used these for baking brownies, roasting chicken thighs with vegetables, and prepping freezer meals. When I expected more weight or lots of liquid, I doubled up the pans, which solved the flex issue and kept everything stable.
- I also tested bending one to compare sturdiness. In the accompanying video, you’ll see me gently flexing the pan to show the “give.” In the photo, I placed this pan next to a thicker pan I bought at a regular store so you can see the difference in gauge.
My takeaway:
- If you need heavy-duty pans for very weighty dishes, these aren’t a perfect one-for-one replacement for thicker, premium options. However, for routine baking, storage, and serving—especially when you plan to toss the pan afterward—the cost savings make a lot of sense.
- Doubling them for heavier recipes is a simple workaround that maintains stability while still keeping the overall cost lower than buying thicker single-use pans.
Verdict:
- I’ll be purchasing these again for everyday use and bulk meal prep. The value is strong, and the performance is solid when you match the pan to the job or double up as needed.
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Reviewed in the United States on April 15, 2026