Rinehart Racing 4" Hp40 Slip-on Muffler For Softails
Rinehart Racing 4" Hp40 Slip-on Muffler For Softails
Available in stock (6)
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Estimated delivery: Feb 05 - Feb 09
About this product
About this product
Upgrade your Harley-Davidson Softail with the Rinehart Racing 4" HP40 Slip-On Muffler. Experience the legendary Rinehart Rumble and enhanced performance, all backed by a lifetime warranty.
Description
The Rinehart Racing 4" HP40 Slip-On Muffler is engineered for select 2025 Softail models, delivering the iconic Rinehart exhaust note and improved throttle response. This muffler is designed to seamlessly integrate with your factory 2-into-1 header, providing an instant upgrade in both sound and performance. Crafted with the same precision as Rinehart's renowned HP45 and DBX Touring Slip-ons, the HP40 features a free-flowing 4" muffler body and innovative spiral core baffle technology. This design optimizes exhaust flow, allowing your engine to breathe easier, resulting in a snappier and more responsive throttle. Constructed from high-quality stainless steel with a durable black finish, the HP40 not only performs but also adds a sleek, aggressive look to your bike. Proudly made in the USA, this muffler is backed by Rinehart's lifetime warranty, ensuring years of trouble-free enjoyment.
Features & highlights
- Unleash the legendary Rinehart Rumble on your Softail.
- Experience enhanced throttle response and improved engine breathing.
- Seamlessly integrates with your factory 2-into-1 header.
- Features a free-flowing 4" muffler body with spiral core baffle.
- Durable stainless steel construction with a sleek black finish.
- Proudly made in the USA with a lifetime warranty.
Technical specifications
- Brand: Rinehart Racing
- Product Name: Muffler
- Type: Slip-On
- Muffler Material: Stainless Steel
- Muffler Color/Finish: Black
- End Cap Material: Stainless Steel
- End Cap Color/Finish: Black
- Mounting Position: Right
Important to know
Designed for select 2025 Softail models with a factory 2-into-1 header. Please verify fitment before purchase.
Shipping & Return
Shipping & Return
Free shipping to GLS parcel shop parcel box for purchases over DKK 1,000.
GLS home delivery costs DKK 59.
We do our best to ship your order as quickly as possible. All orders are generally packed within 24 hours on weekdays.
There is a 14-day return policy. Read more
Parts Denmark Info
Parts Denmark Info
Parts Denmark is a new webshop based in Denmark. We have a physical location you can visit (No showroom yet), and we have both email and phone support in our opening hours.
Our company info is:
Parts Denmark ApS
VAT: DK45974758
Dam Holme 11
3660 Stenløse, Denmark
hello@partsdenmark.com
+45 222 333 29
Best regards,
William Svendsen & Martin Høyer (Owners)
Specifications
RINEHART RACING
500-1251
Muffler
Stainless Steel
Right
Stainless Steel
Slip-On
Kit


Who is behind Parts Denmark
Martin and William are the duo behind Parts Denmark — an unlikely but awesome combo of a tech-savvy young IT wizard and a seasoned motorcycle guru who’s seen (and fixed) it all. Together, we’ve built a team with big ambitions, plenty of passion, and a shared mission to create great things — side-by-side with you.

