Pro Circuit 304 Factory Sound Silencer 1051912 - KTM / Husqvarna / GasGas 125cc-150cc 2019-2023

Product Description

Upgrade your KTM, Husqvarna, or GasGas two-stroke dirt bike with the Pro Circuit 304 Factory Sound Silencer, engineered to deliver impressive performance gains while serving as an OEM-level replacement for your factory silencer.

Featuring a longer midsection than shorty silencer models, this unit expands mid-to-high-rpm power output. It is constructed with a 6061-T6 brushed aluminum body, stainless steel midpipe and end cap, double-walled mounting brackets, and exclusive E-glass pillow packing for reliable sound management and long-lasting track performance.

Top Features: Pro Circuit 304 Factory Sound

• Utilizes a longer midsection than shorty designs to produce stronger mid-to-high-rpm power output
• Serves as an exceptional replacement for the OEM silencer while delivering noticeable performance gains
• Built with a lightweight 6061-T6 brushed aluminum housing paired with stainless steel tubing and end cap
• Features double-walled mounting brackets and steel Allen-head screws for fast and straightforward repacking
• Packed with exclusive E-glass pillow packing for consistent exhaust damping

Please review the detailed compatibility data below to ensure an exact fitment match for your dirt bike before finalizing your purchase.

Fitment List

Frequently Asked Questions

Q: How does the 304 Factory Sound silencer differ from a shorty silencer?
A: The 304 Factory Sound features a longer midsection design, which specifically targets and enhances mid-to-high-rpm power output compared to shorty models.

Q: Is this silencer easy to service and repack?
A: Yes, it utilizes steel Allen-head screws that allow for quick disassembly, making routine repacking with E-glass pillow packing fast and easy.

Expert Pro-Tip: When servicing your 304 Factory Sound Silencer, inspect the internal core and replace the E-glass pillow packing at regular intervals. Fresh packing preserves ideal exhaust backpressure and prevents heat damage to the brushed aluminum canister, maintaining maximum 2-stroke power on the track.

Recommended Pairings:

• KTM 125 SX & 150 SX Performance Upgrades
• Husqvarna TC 125 Performance Parts
• Gas Gas MC 125 Performance Parts

At Moto-House MX, we carry the best brands in motocross and off-road performance. Our team has over 40 years of experience helping riders get more out of their machines. We pride ourselves on great customer service, and every item ships FAST - straight to your door.

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