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S&S CYCLE
4-1/2" MK45 Performance Slip-On Mufflers - Lava Chrome - 50-State
Part # 1801-1810
$922.95
In Stock
- 60-day returns
- Free shipping over $100
- Secure checkout
CARB Compliance: C — May have California restrictions
Confirmed fit for 119 motorcycle configurations across Harley-Davidson, model years 2017–2025.
| Years | Make & Model |
|---|---|
| 2024-2025 Harley-Davidson | Road Glide Police FLTRXP |
| 2020-2024 Harley-Davidson | FLTRK Road Glide Limited |
| 2018-2025 Harley-Davidson | FLTRXSE CVO Road Glide |
| 2017-2024 Harley-Davidson | FLHTK Ultra Limited |
| 2017-2019 Harley-Davidson | FLHTKL Ultra Limited Low |
| 2017-2023 Harley-Davidson | FLHXS Street Glide Special |
| 2017-2023 Harley-Davidson | FLTRXS Road Glide Special |
| 2019-2022 Harley-Davidson | FLHT Electra Glide Standard |
| 2022-2023 Harley-Davidson | FLHXST Street Glide ST |
| 2017-2021 Harley-Davidson | FLHTKSE CVO Limited |
| 2017-2025 Harley-Davidson | FLHX Street Glide |
| 2017-2022 Harley-Davidson | FLHR Road King |
| 2017-2025 Harley-Davidson | FLHXSE CVO Street Glide |
| 2022-2023 Harley-Davidson | FLTRKSE CVO Road Glide Limited |
| 2022-2023 Harley-Davidson | FLTRXST Road Glide ST |
| 2017-2025 Harley-Davidson | FLHRXS Road King Special |
| 2017-2025 Harley-Davidson | FLTRX Road Glide |
| 2024-2025 Harley-Davidson | FLTRXSTSE CVO Road Glide ST |
| 2017-2025 Harley-Davidson | Electra Glide Police FLHTPI |
| 2017-2019 Harley-Davidson | FLHTCU Electra Glide Ultra Classic |
| 2017-2019 Harley-Davidson | FLTRU Road Glide Ultra |
| 2025 Harley-Davidson | Electra Glide Police FLHTP |
| 2025 Harley-Davidson | Road Glide Custom FLTRX |
| 2025 Harley-Davidson | FLHXU Street Glide Ultra |
| 2025 Harley-Davidson | Street Glide EFI FLHX |
| 2025 Harley-Davidson | FLTRXRRSE CVO Road Glide RR |
- Lava Chrome finish features the traditional mirror finish of chromium and gives it a smoky radiance for unique dark look with reflective qualities
- Finish is durable and easy to clean
- 4-1/2" OD muffler bodies with stainless steel baffle and RaceTEX cartridge packing
- Removable dB reducer is (J2825 compliant)
- Sold in pairs
- Made in the U.S.A.
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Overview
The S&S CYCLE 1801-1810: 4-1/2" MK45 Performance Slip-On Mufflers - Lava Chrome - 50-State. Confirmed fit for 119 motorcycle configurations across Harley-Davidson, model years 2017–2025. Ships from Greasemoto — a veteran-owned motorcycle parts shop in Fort Worth, TX — with free U.S. shipping on orders over $100.
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Fits these motorcycles
- Harley-Davidson Road Glide Police FLTRXP
- Harley-Davidson FLTRK Road Glide Limited
- Harley-Davidson FLTRXSE CVO Road Glide
- Harley-Davidson FLHTK Ultra Limited
- Harley-Davidson FLHTKL Ultra Limited Low
- Harley-Davidson FLHXS Street Glide Special
- Harley-Davidson FLTRXS Road Glide Special
- Harley-Davidson FLHT Electra Glide Standard
- Harley-Davidson FLHXST Street Glide ST
- Harley-Davidson FLHTKSE CVO Limited
- Harley-Davidson FLHX Street Glide
- Harley-Davidson FLHR Road King
- Harley-Davidson FLHXSE CVO Street Glide
- Harley-Davidson FLTRKSE CVO Road Glide Limited
- Harley-Davidson FLTRXST Road Glide ST
- Harley-Davidson FLHRXS Road King Special
- Harley-Davidson FLTRX Road Glide
- Harley-Davidson FLTRXSTSE CVO Road Glide ST
- Harley-Davidson Electra Glide Police FLHTPI
- Harley-Davidson FLHTCU Electra Glide Ultra Classic
- Harley-Davidson FLTRU Road Glide Ultra
- Harley-Davidson Electra Glide Police FLHTP
- Harley-Davidson Road Glide Custom FLTRX
- Harley-Davidson FLHXU Street Glide Ultra