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The Arrow De-Cat mid pipe eliminates the heavy and heat soaked catalytic converter and resonator chamber for a 'true through' performance upgrade for the KTM 790/890 Duke. This mid-pipe will fit all stock configurations both at the stock collector and muffler joints. What this means is that any muffler that will fit the stock mid-pipe will fit the Arrow Racing mid-pipe, as well as the attachment points, are exactly the same as stock. No cutting or modification required as this is a bolt-on product.
This pipe mounted perfectly, truly opens up the dB so fair warning
After some time spent on YouTube, I landed on this exhaust mid pipe. I matched it with an SC-1 project exhaust, Rottweiler intake box, and a power commander 6. This bike sounds AMAZING! A very deep and throaty intake and exhaust note is heard at high RPM and WOT. Keeping the RPM low makes me be able to cruise through a neighborhood without neighbors shaking their fists. Steady cruising on the interstate is not bothersome at all as the exhaust is not too loud. Perfect exhaust note. Love this mid pipe.
This pipe is absolutely essential for anyone wanting to remove their hefty stock catalytic converter and either re-use their stock muffler (why do that if you're going through this effort?) or add an after-market slip on; I installed this on both my 2021 KTM Adventure 890 (base model) and 2023 KTM Adventure 890R. Easy to install instructions; completely opens up the bike and makes her absolutely purr! Sounds amazingly better afterwards, especially once you finish off the project with an after-market slip on!!
Sounds great with out being obnoxious. Paired with my black titanium akro it’s just right on sound. Arrow never disappoints with build quality welds are beautiful.
I have the SC Project slipon and added the Arrow midpipe, Rottweiler airbox, and a Rapid Bike tuner and my 890R is on fire! The Arrow is amazing quality and the install took about 30 minutes. It also looks a lot better as it opens up the center of the bike. In addition, there is less heat from the exhaust when stopped. Highly recommended.
I am going to write my feed back in Spanish !! Muy buen producto de excelente calidad en las soldaduras y fue instalado por la misma KTM dealer en Puerto Rico donde se le dio un re flash. Aumento la potencia claramente con la pipa Arrow. No hay variación en los cambios a diferentes revoluciones. Se mantiene en potencia todo el tiempo. Ya tengo instalado también el filtro de aire Rottweiler.
Muy buena inversión para los que nos gusta ver un cambio con algún producto!
the pipe is 3-4 lbs. lighter than the C.C. Bike sounds way better
The Arrow cat delete is of high quality and fits well however installation is a bear. Take the time to watch the installation videos on Youtube before you tackle this project. I am still running the stock muffler and did not have to re-flash the ECU.
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