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    Bill's Pipes - SA-4 Series Head Pipes (Yamaha)

    Product Code: bills-pipes-sa-4-series-head-pipes-yamaha

    Unfortunately, this product has been discontinued by the manufacturer and is no longer available.

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     Bill's Pipes - SA-4 Series Head Pipes

    The SA-4 is offered as an option to add to your SA-4 slip-on. If you have an existing SA-4 slip-on and are looking to add more power and replace you stock head pipe, this is it.

    Features:

    • TIG welded 304 stainless steel
    • Larger diameter than stock allowing for more flow
    • Maximum clearance and seamless fit
    • Increased horsepower and torque gains
    • Made in USA
    • Note: Head pipes are not manufactured to fit with any aftermarket exhaust