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SKU: 27331 | UPC: 18002577
Vance & Hines 27331 Hi-Output 2-Into-1 PCX Full System – Black for 2018–2025 Harley-Davidson Softail Fat Bob / Low Rider S/ST / Street Bob
The Vance & Hines 27331 Hi-Output 2-Into-1 PCX™ full system transforms the 2018–2025 Harley-Davidson Softail Fat Bob, Low Rider S/ST, and Street Bob models with the Milwaukee-Eight 114/117 engine, featuring a stepped 1-3/4" to 1-7/8" to 2-1/8" header design feeding a 4.5-inch megaphone muffler with CNC-machined billet end cap and integrated Power Chamber technology for dyno-proven gains of 8–12 horsepower and 10–15 lb-ft of torque while delivering the iconic deep 2-into-1 rumble that turns heads.
Coated in race-quality high-temperature black ceramic with laser-cut heat shield and stainless steel construction throughout, this system includes a high-flow catalytic converter for 49-state emissions compliance and optional quiet baffle for refined cruising. The PCX™ (Power Chamber X) crossover maximizes scavenging and torque from idle to redline while the aggressive megaphone profile and optional passenger peg relocation kit maintain factory ride height and ground clearance.
For M8 Softail owners demanding championship-level power with signature Vance & Hines sound and show-quality black finish, the 27331 Hi-Output 2-Into-1 is the ultimate full system trusted on street and strip nationwide.
Key Features
- Stepped 1-3/4" → 1-7/8" → 2-1/8" primaries with PCX™ crossover
- 4.5-inch megaphone muffler with CNC billet end cap
- High-temperature black ceramic coating
- +8–12 HP & +10–15 lb-ft of torque
- 49-state emissions compliant high-flow cat
- Direct bolt-on – includes O2 sensor ports & plugs
Product Notes
- Fits 2018–2025 Softail Fat Bob, Low Rider S/ST, Street Bob (M8 114/117)
- Optional quiet baffle available (sold separately)
- Passenger peg relocation kit required for some models
California Proposition 65: Contains chemicals known to the State of California to cause cancer or reproductive harm.
Warranty: Limited lifetime on stainless construction to original purchaser.
Installation Notes
- Professional installation recommended
- Bolt-on using factory mounting points
- Tune recommended for maximum performance
- Install passenger peg relocator if applicable
This Part Fits
| Year | Make | Model |
|---|---|---|
| 2018–2025 | Harley-Davidson | Softail Fat Bob (FXFB/FXFBS) |
| 2020–2025 | Harley-Davidson | Low Rider S (FXLRS) |
| 2022–2025 | Harley-Davidson | Low Rider ST (FXLRST) |
| 2018–2025 | Harley-Davidson | Street Bob (FXBB) |
Note: Fits Milwaukee-Eight 114/117 models. Check peg clearance.
What's Included in the Purchase
- Full 3" 2-Into-1 Exhaust System
- High-Flow Catalytic Converter
- Black Ceramic Coated Heat Shields
- All Mounting Hardware & Gaskets
- Detailed Installation Instructions
- Part Number: Vance & Hines 27331
Why Choose Vance & Hines?
- Over 40 years of Harley-Davidson exhaust leadership
- Dyno-developed & race-proven performance
- Limited lifetime warranty
Frequently Asked Questions
-
Q: Does it fit Low Rider ST?
A: Yes, perfect fit on 2022+ FXLRST -
Q: Tune required?
A: Recommended for best performance & sound -
Q: Quiet baffle available?
A: Yes, optional for refined cruising
Shipping & Handling
- Method: UPS or Fed Ex Ground.
- Availability: Typically ships same day or next if in stock.
- Packaging: Heavy-duty box with foam protection.
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