Rinehart Racing RIN-500-1251 HP40 4” Black Slip-On Muffler for Softail Street Bob / Low Rider S & ST / Heritage 2025-Up

Rinehart 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 Tips:-

* Fuel Mixture Calibrati on is Advised.

Proudly Made in the USA by Rinehart Racing !