S1 Exhaust by SC-Project KTM / 890 Duke R / 2021
- Sold Per Kit
- Brand SC-Project
SC-Project is a race tested and race proven Italian exhaust manufacturer. SC-Project uses their MotoGP, Moto3, Moto2 and Superbike racing experience to push the limits and develop the highest level of exhaust performance.
The SC-Project S1 exhaust is a tapered exhaust with a large outlet diameter for enhanced exhaust air flow. The S1 performance is based off of technology directly developed in World Superbike racing. The silencer body features a conical shape for proper back pressure and optimal ground clearance during extreme lean angles.
- Aeronautical grade materials
- Large diameter exhaust outlet
- Bike specific exhaust mounting hardware included
- 24 month factory defect warranty
- Race Replica
- Carbon Fiber heat-shield
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Exhaust VersionRace Version
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Exhaust FinishTitanium
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Exhaust End CapMatte Carbon Fiber
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Titanium Mesh on Exhaust OutletNo
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Exhaust TypeSlip-on Exhaust
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dB KillerYes
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Sound dB Rating102 dB at 4500 rpm (without dB-Killer)
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Weight3.3 Pounds
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Make/Model/YearKTM / 790 Duke / 2018, KTM / 790 Duke / 2019, KTM / 790 Duke / 2020, KTM / 890 Duke R / 2020, KTM / 890 Duke R / 2021, KTM / 890 Duke R / 2022, KTM / 890 Duke R / 2023, KTM / 790 Duke / 2023, KTM / 790 Duke / 2024
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SoldPer Kit
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ProductExhausts & Air Filters
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BrandSC-Project
Product questions
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Jan 3, 2023, 04:23:08 AM
What is the Sound dB Rating with dB-Killer installed?
Jan 5, 2023, 12:51:46 PMWith dB-Killer = 100 dB at 4500 rpm
WITHOUT dB-Killer = 102 dB at 4500 rpm -
Mar 2, 2022, 07:35:31 PM
Will this fit 2021 890 r and will it need remapping?
Mar 11, 2022, 04:27:25 PMThis will fit the 2021-2022 models, yes! As a racing system, a tune would be recommended for maximum performance and run-ability.
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Jun 30, 2019, 12:53:55 AM
Hello. Is the db-killer already being welded in the exhaust like other brands or it is very easy to remove without damaging the pipe ? Thank you !
Jul 2, 2019, 01:05:00 PMTypically these DB-Killers are tack welded into place to they can pass the emission tests. It is easy enough to bust the tack weld loose and make it optional though.
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James MonaghanGet the cat delete and Rapidbike EVO tuner for a real unleashing of the Duke 790.
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Ian ColeWithout a doubt, the best looking SC exhaust. The sound is amazing and it is super super light.
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Kyle RiggetsBig thanks to Jacob at Motovation for turning me onto this exhaust. I had never even seen one of these. It is the best exhaust I have ever heard!
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KrystophSuper happy with this exhaust. fitment is great and sound is amazing.
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NDSWow. All I can say is WOW. This exhaust is literally amazing.
