RINEHART RACING

MUFFLER HP40 - SOFTAIL M8 2025

4" HP40 Slip-On Muffler for HD Softails

  • 4" HP40 Slip-On Muffler
  • From the leader in V-twin exhaust, HP40 2 into 1 Slipon for select 2025 Softail models.
  • Made to the same exacting standards as our HP45 and DBX Touring Slipons, this free flowing 4” muffler is a perfect fit for your factory 2 into 1 header, and will give you the deep, throaty, Rinehart Rumble you know and love and, with our spiral core baffle technology, the HP40 will also help your bike breathe, increasing the performance for a snappier, more responsive throttle.
  • All this and our legendary Made in America Lifetime Warranty.


  • € 685,02 incl. VAT

    Out of stock

    Ask about delivery time
    We prepare your vehicle for the road
    Large assortment
    Specialized in recreational vehicles
    4" HP40 Slip-On Muffler for HD Softails

  • 4" HP40 Slip-On Muffler
  • From the leader in V-twin exhaust, HP40 2 into 1 Slipon for select 2025 Softail models.
  • Made to the same exacting standards as our HP45 and DBX Touring Slipons, this free flowing 4” muffler is a perfect fit for your factory 2 into 1 header, and will give you the deep, throaty, Rinehart Rumble you know and love and, with our spiral core baffle technology, the HP40 will also help your bike breathe, increasing the performance for a snappier, more responsive throttle.
  • All this and our legendary Made in America Lifetime Warranty.


  • Article number
    18011879:500-1251
    End Cap Color/Finish
    Black
    End Cap Material
    Stainless Steel
    Muffler Color/Finish
    Black
    Muffler Material
    Stainless Steel
    Product Name
    Muffler
    Research Value
    Finalized
    Riding Style
    Street
    Type
    Slip-On
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    Why QFF?

    Specializing in recreational vehicles

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    We'll get your driveway ready for driving

    Wide selection

    Specializing in recreational vehicles

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