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

From the leader in V-twin exhaust, HP40 2 into 1 Slip-on for select 2025 Softail models.

Your new Softail came with the looks and style you wanted, now it’s time to make it sound and perform like it should!

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. All this and our legendary Made in America Lifetime Warranty.