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Ships within 48 hours · Estimated delivery Oct 20 - Oct 25
* Feuling studs are installed to a torque spec can be reused and carry a lifetime warranty
* All steel construction
* Replaces OEM # 18023-87
Fitment Note:-
* Replaces OEM # 27585-88
4in. HP40 Slip-On Muffler - Black with Black End Cap. Fits Softail Street Bob, Low Rider S, Low Rider ST & Heritage 2025up P01573814RPARBMP * Feuling studs are installedRinehart Racing is proud to introduce the all new HP40 Slipons. Made to the same exacting standards as our HP45 and DBX Touring Slip ons, 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. Tech
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