Skip to main content

S&S CYCLE 4-1/2″ MK45 Performance Mufflers – Black Tracer

$ 795.95

In stock

4-1/2″ MK45 Performance Mufflers – Black Tracer

Part #: 18011079

S&S CYCLE quality guaranteed.

Available for ship to store or drop ship.


Free Shipping on New Part orders over $100

S&S CYCLE 4-1/2″ MK45 Performance Mufflers – Black Tracer

Additional information

Weight 28.90 lbs
Part Number

18011079

Punctuated Part Number

1801-1079

Vendor Part Number

5500668

Vendor Punctuated Part Number

550-0668

Commodity Code

1801

Commodity Group

EXHAUST GROUP

Commodity Type

MUFFLERS FOR HARLEY

Product Description

S&S CYCLE 4-1/2″ MK45 Performance Mufflers – Black Tracer

Key Features

  • 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

Technical Specifications

  • Weight: 28.90 lbs
  • Supplier Number: 550-0668
  • Unit of Measure: Pair

Current Warehouse Inventory

Stock by Location:

  • Janesville, WI: 16 units
  • Batavia, NY: 2 units
  • Dallas, TX: 0 units
  • Fresno, CA: 0 units
  • Reno, NV: 3 units
  • Asheville, NC: 8 units
  • National: 20 units

Total Available: 49 units

Inventory Last Checked: December 4, 2025 at 1:00 AM UTC

Thank you for Shopping at Knobtown Cycle!

When you shop with us, you’re not just buying motorcycle parts — you’re supporting a small, family-run business rooted right here in the heartland of America. Every order helps us keep riders on the road and fuels our passion for serving the motorcycle community.
From all of us at Knobtown Cycle, thank you for choosing local and riding with us.

Kit Fox – Owner Knobtown Cycle

Product Reviews

Reviews

There are no reviews yet.

Be the first to review “S&S CYCLE 4-1/2″ MK45 Performance Mufflers – Black Tracer”

Your email address will not be published. Required fields are marked *

Need help with installation?  Our Service Department based in Kansas City, Missouri is here for you.  Fill out a Service Request and lets get you rolling!