Jump to Fitments
Features
The S&S 4-1/2" MK45 Performance Mufflers give your bike a stronger sound and a cleaner look with a straightforward bolt-on install.
Fits 2017-2025 Harley-Davidson Touring models. Check the fitment chart below to confirm your exact year and model.
Part of the S&S MK45 line.
- Mk45 4-1/2" Touring Mufflers are the result of decades of riding, racing and tuning
- Combines both a stainless steel baffle and RaceTEX cartridge packing
- Create a deep rumble and improved horsepower and torque, all while adding a unique look with styled aluminum endcaps
- Removable dB reducer
- Made in U.S.A.
- Not for Trike applications
Info
Shipping Information
Due to high volume some orders can take up to 14 business days to ship.
If your order contains a part and merch, they may ship separately.
Special Instructions
S/B CHR W/CHR END CAPS 25PJL
CARB Notes
50-State Legal — Qualified manufacturer declared replacement part on all '17-'23 model year M-Eight powered FL touring models.
Specs
| Product Name | S&S 4-1/2" MK45 Performance Mufflers - Chrome Thruster for Harley Touring |
|---|---|
| Type | Slip-On |
| Model | MK45 |
| Units | Pair |
| Riding Style | Street |
Fitment
| Position | Notes |
|---|
No matching vehicles.
GIVEAWAY #17
ONE GIVEAWAY. TWO WINNERS.
10X ENTRIES LIVE
50X + GIVEAWAY ENDS IN:
GRAND PRIZE
2026 HARLEY-DAVIDSON ROAD GLIDE
LIBERTY EDITION
FIRST PRIZE
2002 HARLEY-DAVIDSON FXDX
SUPER GLIDE SPORT
