GPR Albus Evo4 Slip-On Exhaust for the KTM 390 Duke 2021-2023
For the 2021-2023 KTM 390 Duke, the GPR Albus Evo4 slip-on replaces the stock silencer (muffler). GPR builds the Albus Evo4 silencer with an aluminum body, CNC-machined Avional end caps and a ceramic coating that withstands high temperatures. The Albus Evo4 stays within the EPA emissions limit, and GPR includes a removable DB killer and the link pipe in the kit.
Benefits
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Kit contents. The Albus Evo4 package contains the link pipe, brackets and fitting accessories, and the 390 Duke does not need any structural modifications.
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Removable DB killer. A removable DB killer (baffle) comes fitted to the Albus Evo4.
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Ceramic-treated aluminum. GPR finishes the body and the end caps in white glossy.
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Italian manufacturing. The Albus Evo4 is Italian made and has a 2-year manufacturer warranty from GPR.
Technical Details
Exhaust
- Kit type: Slip-on, link pipe supplied
- Silencer series: Albus Evo4
- Removable DB killer: Yes
- Emissions classification: EPA compliant
- Weight: 1.4 kg (3.09 lbs)
Construction
- Silencer body: Aluminum, ceramic treated
- End caps: CNC-machined Avional
- Silencer shape: Oval
- Dimensions: 90 mm x 120 mm (3.5 in x 4.7 in)
- Overall length: 200 mm (7.9 in)
- Body color: White glossy
- End cap color: White glossy
Fitment
| Make |
Model |
Year |
Notes |
| KTM |
390 Duke |
2021, 2022, 2023 |
Slip-on with removable DB killer |
Installation
The installation does not need any structural changes to the 390 Duke.
Package contents: silencer, removable DB killer, link pipe, brackets and fittings.
GPR homologated the Albus Evo4 for noise. Riders should check whether their country requires a catalyst.
Common Questions
Is the GPR Albus Evo4 slip-on within the EPA emissions limit?
Yes. GPR lists the GPR Albus Evo4 slip-on as within the EPA emissions limit. GPR holds the homologation for noise. The local catalyst rules still apply to the GPR Albus Evo4 slip-on.
Which KTM 390 Duke model years fit the Albus Evo4?
Every KTM 390 Duke built from 2021 through 2023 takes the Albus Evo4, and the fitment table shows each model year.
Does the kit include the link pipe?
Yes. GPR supplies the link pipe, brackets and accessories in the package.
What warranty covers the GPR Albus Evo4 slip-on?
The GPR Albus Evo4 slip-on carries a 2-year international warranty.
Why Choose Magma Powersports
- Authorized GPR dealer
- Built in Italy, covered by GPR's 2-year manufacturer warranty
- Free shipping worldwide
- Dedicated fitment for the KTM 390 Duke
