Vance and Hines Big Radius Full Exhaust System - Harley Milwaukee-Eight Softail 2018-2022
About Vance and Hines
Vance & Hines has been building motorcycle exhaust since 1979 and has run factory-backed drag and King of the Baggers programs that feed straight back into its street products. Systems like the Torquer and the 2-into-1 designs are engineered around real dyno work, not just sound — which is why they show up on so many tuned Milwaukee-Eight and Twin Cam builds.
The Vance & Hines Big Radius full exhaust system is engineered to enhance your 2018-2022 Harley-Davidson Milwaukee-Eight Softail. Featuring advanced PCX™ technology and chambered high-flow catalyst cartridges, this system is designed to boost torque and deliver an aggressive exhaust note.
Why riders pick this
- Torque-boosting chambered high-flow catalyst
- PCX™ (Power Chamber Exhaust) technology
- Deep, aggressive exhaust tone
- Full-coverage precision-cut heat shields
- Complete bolt-on system for easy installation
Experience a significant upgrade in both performance and sound with this Big Radius full exhaust. The precision-cut heat shields provide full coverage, contributing to a clean, custom-bike aesthetic while maintaining emissions compliance. It's a complete bolt-on system, making installation straightforward for your Milwaukee-Eight Softail.
Enhanced Performance and Sound
- Chambered high-flow catalyst cartridge engineered to increase torque
- PCX™ (Power Chamber Exhaust) technology for optimized performance
- Delivers a deep, aggressive exhaust tone that commands attention
- Full-coverage precision-cut heat shields for a seamless look
- 49-state emissions compliant for widespread use
Milwaukee-Eight Softail Upgrade
This Big Radius system is a direct bolt-on solution for your Milwaukee-Eight Softail, providing a noticeable improvement over stock. While the system is designed for performance, a fuel tuner is recommended to fully optimize the gains from the high-flow catalyst and PCX technology, ensuring your engine runs efficiently and powerfully.
Specifications
- Brand: Vance and Hines
- Manufacturer Part #: 46377
- Weight: 25.9 lb
- Category: Exhaust, Mufflers & Tips / Powersports Exhausts
- WARNING: Cancer and Reproductive Harm — California Prop 65. www.P65Warnings.ca.gov
Common questions
Does this exhaust system require a fuel tuner or ECM adjustment?
A fuel tuner is recommended to optimize the performance gains from the high-flow catalyst and PCX technology. Consulting with your dealer for tuning compatibility is always a good idea.
Is this Vance & Hines exhaust system street-legal?
Yes, this Big Radius system is 49-state emissions compliant, making it suitable for use in most states. Riders in California should verify local regulations before purchasing.
What kind of sound can I expect from this exhaust?
This system is designed to deliver a deep, aggressive exhaust tone, characteristic of a high-performance V-twin. The PCX technology contributes to both the sound profile and power delivery.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | Vance and Hines |
| TYPE | Powersports Exhausts |
| SKU | T14-630432 |
| WEIGHT | 25.9 lb |
