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    DOMA Expansion Chamber for HUSQVARNA TC, TE 250, 300, KTM EXC, SX 250, 300 and GAS GAS EC, MC 250, 300 2019-2023
    DOMA Expansion Chamber for HUSQVARNA TC, TE 250, 300, KTM EXC, SX 250, 300 and GAS GAS EC, MC 250, 300 2019-2023

    DOMA Expansion Chamber for HUSQVARNA TC, TE 250, 300, KTM EXC, SX 250, 300 and GAS GAS EC, MC 250, 300 2019-2023

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    €301.90
    Tax Included
    Disponible en nuestro proveedor, enviado en 10 a 15 días.

    DOMA expansion chamber for KTM EXC 250, EXC 300, SX 250, HUSQVARNA TC 250, TE 250, TE 300 and GAS GAS EC 250, EC 300, MC 250 from 2019 to 2023. Handmade in Calais, France.

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    Disponible en nuestro proveedor, enviado en 10 a 15 días.

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      The DOMA 100405 expansion chamber is designed for KTM EXC 250, EXC 300, SX 250, HUSQVARNA TC 250, TE 250, TE 300 and GAS GAS EC 250, EC 300, MC 250 from 2019 to 2023. The expansion chamber is what gives a two-stroke engine its character. Well designed, it improves cylinder filling; dented by stones or crashes, it costs power.

      Key features

      • Handmade in Calais, France.
      • 1 mm raw steel, laser-cut parts, pressed and then welded on a jig.
      • Developed on the dyno and on the track.
      • Works with the stock silencer or a Doma silencer.

      Specifications

      • Brand: DOMA
      • Manufacturer part number: 100405
      • Engine: 2-stroke

      Who is it for?

      • Stock pipe dented or cracked after a crash.
      • Looking for more response and more power.

      Good to know

      Competition use only: this pipe is not road-legal.

      Fitting tips

      1. Reuse the stock connecting O-rings if they're in good condition (not included), or fit a new exhaust gasket.
      2. Offer up the pipe without forcing it, fit all the mounts, then tighten.
      3. Warm up the engine and check for leaks at the joints.
      4. Check the colour of the spark plug after the first few rides.

      Why DOMA?

      Doma Racing has been handcrafting its two-stroke exhausts in its workshop in Calais, France, since 1992. The brand won the 125 world title in 2000 with Grant Langston and supplies original equipment for certain KTM models.

      Spare parts and items to plan

      Frequently asked questions

      Do I need to change the silencer?
      No: the pipe works with the stock silencer or a Doma silencer.

      Is it road-legal?
      No: for competition use on closed circuits only.

      Compatibility

      Check the exact model and year of your bike in the list below before ordering.

      Fits:
      GAS GAS EC 250 2023
      GAS GAS EC 250 2022
      GAS GAS EC 250 2021
      GAS GAS EC 300 2023
      GAS GAS EC 300 2022
      GAS GAS EC 300 2021
      GAS GAS MC 250 2023
      GAS GAS MC 250 2022
      GAS GAS MC 250 2021
      HUSQVARNA TC 250 2022
      HUSQVARNA TC 250 2021
      HUSQVARNA TC 250 2020
      HUSQVARNA TC 250 2019
      HUSQVARNA TE 250 2023
      HUSQVARNA TE 250 2022
      HUSQVARNA TE 250 2021
      HUSQVARNA TE 250 2020
      HUSQVARNA TE 300 2023
      HUSQVARNA TE 300 2022
      HUSQVARNA TE 300 2021
      HUSQVARNA TE 300 2020
      KTM EXC 250 2023
      KTM EXC 250 2022
      KTM EXC 250 2021
      KTM EXC 250 2020
      KTM EXC 300 2023
      KTM EXC 300 2022
      KTM EXC 300 2021
      KTM EXC 300 2020
      KTM SX 250 2022
      KTM SX 250 2021
      KTM SX 250 2020
      KTM SX 250 2019

      DOMA
      100405
      5 Items

      Specific References

      Click on your bike to see all compatible parts.

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      DOMA Expansion Chamber for HUSQVARNA TC, TE 250, 300, KTM EXC, SX 250, 300 and GAS GAS EC, MC 250, 300 2019-2023
      DOMA Expansion Chamber for HUSQVARNA TC, TE 250, 300, KTM EXC, SX 250, 300 and GAS GAS EC, MC 250, 300 2019-2023
      DOMA Expansion Chamber for HUSQVARNA TC, TE 250, 300, KTM EXC, SX 250, 300 and GAS GAS EC, MC 250, 300 2019-2023
      DOMA Expansion Chamber for HUSQVARNA TC, TE 250, 300, KTM EXC, SX 250, 300 and GAS GAS EC, MC 250, 300 2019-2023
      €301.90
      Tax Included