S&S Cycle 4-1/2" MK45 Performance Slip-On Mufflers — Lava Chrome — 50-State

S&S Cycle · #1801-1810 · S&S Cycle / Slip-Ons

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

$922.95

In stock. Ships in 2–4 business days · free shipping over $150.

Questions? Call the shop: 801-361-3010

Real shop · real humans · 1231 N 1300 W Ste A, Centerville, UT 84014

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Description & features6 features

Not for Trike applications.

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.

Specifications11 specs

End Cap Style: Slash-Cut
End Cap Color/Finish: Black
Model: MK45
Type: Slip-On
Color/Finish: Lava Chrome
Units: Pair
Outer Diameter: 4-1/2"
Riding Style: Street
Shipping weight: 26.6 lb
Package size: 34 × 12 × 6.5 in
Country of origin: USA

Fitment26 models · Harley-Davidson

Harley-Davidson26 models

Electra Glide Police FLHTPI2017–2025
Electra Glide Police FLHTP2025
FLHR Road King2017–2022
FLHRXS Road King Special2017–2025
FLHT Electra Glide Standard2019–2022
FLHTCU Electra Glide Ultra Classic2017–2019
FLHTK Ultra Limited2017–2024
FLHTKL Ultra Limited Low2017–2019
FLHTKSE CVO Limited2017–2021
FLHX Street Glide2017–2025
FLHXS Street Glide Special2017–2023
FLHXSE CVO Street Glide2017–2025
FLHXST Street Glide ST2022–2023
FLHXU Street Glide Ultra2025
FLTRK Road Glide Limited2020–2024
FLTRKSE CVO Road Glide Limited2022–2023
FLTRU Road Glide Ultra2017–2019
FLTRX Road Glide2017–2025
FLTRXRRSE CVO Road Glide RR2025
FLTRXS Road Glide Special2017–2023
FLTRXSE CVO Road Glide2018–2025
FLTRXST Road Glide ST2022–2023
FLTRXSTSE CVO Road Glide ST2024–2025
Road Glide Custom FLTRX2025
Road Glide Police FLTRXP2024–2025
Street Glide EFI FLHX2025

Fitment comes from the catalog data for this part. Double-check your year, model and trim before you order — or call the counter at 801-361-3010 and we’ll check it with you.

Part numbers

Salto part #: 1801-1810
S&S Cycle part #: 550-1113

Shipping

In stock. Ships in 2–4 business days by ground.

Ground shipping is $14.95, free on orders over $150. Stock is checked again before your card is charged.

Questions4 answers

Is it in stock?: Yes — it’s in stock right now. We check again the moment you order, before anything is charged.
How fast will it get to me?: Usually 2–4 business days by ground.
Will it fit my machine?: It’s listed for the models in the Fitment section above. Not sure about your trim or year? Call the counter at 801-361-3010 and we’ll check it with you.
Is this genuine S&S Cycle?: Yes. It’s new and genuine, straight from Salto — S&S Cycle part #550-1113.