All Black Stainless Catalytic Converter Eliminator removes 11 lbs as compared to the stock set up. It will work with stock muffler, or any aftermarket muffler that mounts in Standard/Stock position and has the same inner diameter as the stock canister.
Note: Installation of this system eliminates the catalytic converter. This system is intended for closed course use. M4 Recommends re-flashing your stock ECU to unleash the full potential of all M4 products on the 2015 and up Yamaha R1.
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| Emissions Notice to Customers in California |
Important Emissions Notice to Customers in California
The State of California prohibits the offer for sale, sale, or installation of an aftermarket part, which alters or modifies the original design or performance of a motor vehicle's pollution control devices or systems, unless the aftermarket part has first been exempted from the state's anti-tampering laws and been issued an Executive Order (EO) number by the California Air Resource Board (ARB). Legal in California only for racing vehicles which may never be used, or registered or Licensed for use, upon a highway. Any California Residents who order this M4 Exhaust from Sportbike Track Gear llc agree they are doing so with the intention of using it on a closed course as outlined within the California Notice.
Write Review
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Sounds great and easy to install with step by step instructions
Sounds great and easy to install with step by step instructions
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Cat eliminator 19 R1
Easy to install on my 19 R1 and cut over 10 pounds of tree hugging weight. Would recommend and make sure you get the servo buddy
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Exhaust
this item is epic ! wish it would have worked for my Akrapovic can. unfourtently i had to return it . STG does an awesome job
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Catalytic converter eliminator
Extremely satisfied with this buy, made my bike incredibly loud. Installation was simple definitely recommended.
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Awesome!
Very happy. Came in about a week and fit perfectly on my husbands bike!
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Pretty Amazing
So, first off, the install video for this product was SUPER helpful. 2ndly, it doesn't quite show just how loud this thing is. At idle it's doable, but anywhere past that, its LOUD. Still, great product, fit and finish are great. Kinda wish the O2 sensor plug was black, but oh well. The pipe slips right on into place, and there is zero difficulty mating the stock muffler to it. With that in mind, mounting any other slip on that works with the stock cat should fit this just fine. Bike is a 2018 R1. Supplemented with a flash tune (STG Video available). As always, the buying experience with STG is phenominal. Fast shipping, and competitive pricing. 5 stars all around!
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2019 Yahama R1
East to install. Sounds great and reduces a lot of weight.
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SUPER LOUD with GRAVES GP slip on
Just installed this Eliminator and with the GP slip on from Graves I also purchased with you guys it’s soooo Freaking LOUD! I Love it. Now it really sounds like a Beast of a bike. I’ll soon get it ECU Flashed. The Black version of this eliminator makes the bike look Clean. I don’t need a Belly pan. Thanks again guys you made things easy once again. You guys haven’t disappointed. Brian you was on point with the installation. Thanks Dude!
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Cat Eliminator
Just installed this Eliminator and with the GP slip on from Graves I also purchased with you guys it’s soooo Freaking LOUD! I Love it. Now it really sounds like a Beast of a bike. I’ll soon get it ECU Flashed. The Black version of this eliminator makes the bike look Clean. I don’t need a Belly pan. Thanks again guys you made things easy once again. You guys haven’t disappointed. Brian you was on point with the installation. Thanks Dude!
- Availability:
- STG Part Number:
- M|M4 YA-CEKR115|0
- Manufacturer's Part Number:
- 1
