Pro Circuit

Pro Circuit 304 Factory Sound Silencer

Item: #141477 | Part Number: Not Selected
$118.99 - $499.99
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        $118.99 - $499.99
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        Description

        The 304 silencer is recommended for most two-stroke applications. The slightly longer body offers added top end performance while reducing noise output. The brushed aluminum body and stainless steel inlet tube and end-cap gives you a silencer that looks as good as it performs. Features: Longer body design helps to...

        Image of : Pro Circuit 304 Factory Sound Silencer Pro Circuit 304 Factory Sound Silencer Item # 141477

        Description

        The 304 silencer is recommended for most two-stroke applications. The slightly longer body offers added top end performance while reducing noise output. The brushed aluminum body and stainless steel inlet tube and end-cap gives you a silencer that looks as good as it performs.

        Features:

        • Longer body design helps to reduce noise output
        • 6061 T6 brushed aluminum silencer body
        • Stainless steel end-cap
        • Tig and mig welded for strength and durability
        • Double-walled mounting bracket(s)
        • Allen head screws ensure easy repacking when needed for extended product life
        • Made in the USA

        Part Numbers for Pro Circuit 304 Factory Sound Silencer

        Fitment for Parts Pro Circuit 304 Factory Sound Silencer

        This part fits the following vehicles:

        Beta
        Gas Gas
        Honda
        Husaberg
        Husqvarna
        Kawasaki
        KTM
        Rieju
        Suzuki
        Yamaha

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        Reviews

        Rated 5 out of 5 by from Madness Bought this pipe a month ago and jesus ! My arms haven’t been the same since !my bike rips now seems like I put another engine it it or something! I highly recommend this pipe !
        Date published: 2018-05-19
        Rated 5 out of 5 by from Sick silencer This PC silencer sounds awesome, looks sick, and works great. Way lighter and smaller than the huge stock one
        Date published: 2018-05-09
        Rated 5 out of 5 by from Perfect 2 stroke muffler Exhaust fit and great sound way better then the 304r
        Date published: 2025-10-27
        Rated 5 out of 5 by from Worth the money Had it on the bike for a few rides now, is as advertised not much louder then factory, while being half the size.
        Date published: 2022-07-11
        Rated 5 out of 5 by from Sounds good Fit well and sounded good, fits the bike well, not crazy loud like the shortys
        Date published: 2020-03-26
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        Questions

        Is this better then the fmf shorty pipe

        Asked by: Owen
        I find it better because it isn’t as loud. Other than that, it’s the exact same product. 
        Answered by: Mattg
        Date published: 2019-04-30
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        Pro Circuit 304 Factory Sound Silencer
        Total:
        $118.99 - $499.99