4" HP40 Slip-On silencer for HD Softails

4" HP40 Slip-On Muffler
From the V-twin exhaust leader, the HP40 2 into 1 Slipon for selected 2025 Softail models.
Built to the same standards as our HP45 and DBX Touring Slip-ons, this 4" free-flowing muffler is ideal for your original 2-into-1 header and delivers the characteristic deep Rinehart sound. With spiral core baffle technology, the HP40 also improves performance and throttle response.
All this and our legendary Made in America lifetime guarantee.



Specifications


Brand
RINEHART RACING


Supplier reference
500-1251


Silencer colour/finish
Black


Final cap style/colour/finish
Black


Silencer material
Stainless Steel


End Cap Material
Stainless Steel


Product name
Silencer


Mounting position
Right


Type
Slip-on


Units
Kit