Pro Circuit Racing R-304 Shorty Silencer

Fits The Following Bikes:

KTM 125 SX 2023-2026
KTM 125 XC 2023-2025
KTM 125 XC-W 2025-2026
KTM 150 SX 2025
KTM 150 XC-W 2024

GAS GASEC 125 2025
GAS GASMC 125 2024-2026
GAS GASMC 150 2025

HUSQVARNA TC 125 2023-2025
HUSQVARNA TC 150 2025


KTM OEM replacement part: A42005079000


For compatibility with your bike model please check the KTM spare parts catalogue.


Silencer Description:

The R-304 Silencer was developed as a full-race two-stroke silencer. The compact design of our R-304 Silencer offers optimum performance gains and is the top choice for racers serious about winning. Hex head screws are used to secure the inlet cap and can be removed easily for quick re-packing of the silencer.



Features Include:

304 stainless steel intake tube
Double-walled mounting bracket(s)
6061 T6 brushed aluminum silencer body
Stainless steel end-cap
Tig and mig welded for strength and durability
Allen head screws ensure easy repacking when needed for extended product life
E-Glass internal packing for maximum packing life
Made in the USA