

1 / 2
S&S CYCLE
Grand National Slip-On Mufflers - Guardian Black - FXFB
Part # 1801-1234
$613.95
In Stock
- 60-day returns
- Free shipping over $100
- Secure checkout
CARB Compliance: C — May have California restrictions
Confirmed fit for 6 motorcycle configurations across Harley-Davidson, model years 2018–2021.
| Years | Make & Model |
|---|---|
| 2018-2019 Harley-Davidson | FXFB Fat Bob 107 |
| 2018-2021 Harley-Davidson | FXFBS Fat Bob 114 |
- Up to 12% more horsepower and 6% more torque (when used with Stealth Air Cleaner Kit)
- Deep performance rumble replaces stock whisper tone
- Removable dB reducer
- Meets J2825 sound levels (with dB reducer)
- Features stainless steel perforated baffle design
- All hardware included
- Race inspired Grand National end cap
- Made in USA
Customer Reviews
No reviews yet — be the first to review this part.
Overview
The S&S CYCLE 1801-1234: Grand National Slip-On Mufflers - Guardian Black - FXFB. Confirmed fit for 6 motorcycle configurations across Harley-Davidson, model years 2018–2021. Ships from Greasemoto — a veteran-owned motorcycle parts shop in Fort Worth, TX — with free U.S. shipping on orders over $100.
More from S&S CYCLE

S&S CYCLE
1204-0254
Drive Belt - 140 Tooth - 24 mm - Touring
$189.95

S&S CYCLE
0925-1171
Camshaft Kit - 475C Chain Drive - M8
$299.95

S&S CYCLE
1003-0042
Carburetor Needle - Super B/E/G Carburetor
$19.95

S&S CYCLE
1003-0192
Accelerator Pump O-Rings - Ejector Nozzle - Super E/G - 10 Pack
$13.95

S&S CYCLE
1120-0459
Compensator Ramp - Gray - '17-'24 M8
$349.95

S&S CYCLE
1050-0472
CNC-Ported 55 mm Intake Manifold - M8 - 55 mm - Black
$399.95

S&S CYCLE
0928-0088
Quickee Pushrod Kit with Chrome Covers - M8
$314.95

S&S CYCLE
1003-0312
Carburetor Rebuild Kit - Super E/G Basic
$61.95
