KTM Pro Circuit 304 Silencer – Factory Sound Performance Exhaust

Pro Circuit 304 Factory Sound Silencer (KTM)

Upgrade your KTM two-stroke’s performance and sound signature with the Pro Circuit 304 Factory Sound Silencer—a precision-engineered exhaust solution designed for racers and enthusiasts alike. Perfectly suited for high-revving engines, this silencer combines aggressive power delivery with industry-leading noise reduction, making it ideal for track days or trail adventures where compliance matters without compromising on thrill.

Engineered for Power & Quiet
The 304’s extended body design delivers enhanced top-end acceleration while suppressing unwanted exhaust drone, ensuring you stay within legal limits without sacrificing responsiveness. Crafted from premium 6061 T6 brushed aluminum alloy (the same grade used in aerospace applications), this silencer withstands extreme heat and vibration while maintaining a sleek factory aesthetic that complements your bike’s build.

Built to Last
Constructed with Tig/Mig welded stainless steel end-caps and double-walled mounting brackets for maximum durability under harsh conditions. Unlike competitors’ bolt-together designs prone to loosening over time, every joint here is fused molecularly—ensuring reliability even during high-G cornering or rough terrain impacts.

Maintenance Made Simple
Allen head screws provide quick access to internals when repacking is needed (included gaskets ensure leak-free reassembly). This thoughtful design extends service life compared to traditional fasteners that can strip or corrode over time.

Whether you’re chasing lap times at your local track or conquering backcountry trails, the Pro Circuit 304 silencer strikes the perfect balance between raw power delivery and civilized noise levels—without ever compromising on build quality or longevity. Made in America with unwavering commitment to precision engineering since 1979.

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