Product Description
Khrome Werks 4.0 HP Plus 2-1 Slip On Muffler for 2025 Harley Softail
The Khrome Werks 4.0 HP Plus 2-1 Slip On Muffler is engineered for 2025 Harley Davidson Softail riders who want stronger performance sound, improved exhaust flow, and a clean performance focused look. Designed to pair with factory style 2-1 headers, this slip on reduces restriction while delivering a deep, aggressive exhaust tone that matches modern performance Softail builds. At Get Lowered Cycles, we offer exhaust upgrades that enhance both ride feel and visual impact.
Performance Focused Features
- High Flow 4.0 Inch Muffler Design improves exhaust scavenging and throttle response.
- HP Plus Internal Core engineered to balance strong performance sound with efficient airflow.
- Available in Black or Chrome Finish allowing riders to match aggressive or classic Softail styling.
- Reduced Weight Compared to Stock helping improve overall bike balance and responsiveness.
- Precision Manufactured Construction for long term durability and consistent performance.
- Slip On Installation utilizing factory mounting locations for a straightforward upgrade.
Why Choose the 4.0 HP Plus Slip On
Exhaust flow plays a major role in how a Harley Softail performs and sounds. The Khrome Werks 4.0 HP Plus Slip On is designed to reduce exhaust restriction while maintaining proper back pressure for torque and rideability. Riders will notice quicker throttle response, stronger mid range pull, and a more aggressive exhaust note compared to the stock muffler. This slip on pairs well with high flow intakes and ECU tuning for riders building performance oriented Softail setups.
Fitment and Installation Notes
Fits: 2025 Harley Street Bob, Low Rider S, Low Rider ST and Heritage Softail
This slip on muffler is designed specifically for 2025 Harley Davidson Softail models equipped with a factory style 2-1 exhaust system. Installation is a direct replacement using OEM mounting points. For optimal performance and sound quality, tuning is recommended after installation, especially on bikes with additional performance upgrades.
For riders building a performance Softail that demands improved sound, airflow, and premium styling, the Khrome Werks 4.0 HP Plus 2-1 Slip On Muffler is a proven upgrade. Get Lowered Cycles is your trusted source for high quality Harley Davidson performance exhaust components.
Fitment
| 2025 | Harley-Davidson | Softail Low Rider ST FXLRST | - | - |
| 2025 | Harley-Davidson | Softail Street Bob FXBB | - | - |
| 2025 | Harley-Davidson | Softail Heritage Classic FLHC | - | - |
| 2025 | Harley-Davidson | FXLRS Low Rider S 117 | - | - |
| 2025 | Harley-Davidson | FXLRST Low Rider ST 117 | - | - |
| 2025 | Harley-Davidson | Softail Low Rider S FXLRS | - | - |
| Black | 40FSL-4031-BLK |
| Chrome | 40FSL-4031-CHR |