S&S CycleIn StockSlip-On Mufflers

S&S MK45 4.5" Touring Slip-On Mufflers - M8 Touring

SKU: SS-550-0669MPN: 550-0669•Bagger Slip-On Muffler Pair
Verified Motorcycle Compatibility:

Harley-Davidson Touring M8 (2017-2024)

The definitive big-body touring muffler from S&S, combining a massive 4.5-inch diameter presence with a subterranean bass exhaust note.

Cape Town stock, 1-3 business days delivery
2-Year Limited Manufacturer Warranty
Fitment Guaranteed
S&S MK45 4.5" Touring Slip-Ons - M8 Touring (Black/Chrome) - S&S Cycle Bagger Slip-On Muffler Pair (SS-550-0669)
S&S Cycle Authentic SpecSKU: SS-550-0669
Commercial Fitment Service
Pricing & Availability
Price on Request

Includes currency-adjusted exchange rate, South African customs clearance, and insured door-to-door courier dispatch from Cape Town.

Zero guesswork: We verify motorcycle VIN & engine specs
Authorised supply channel & authentic manufacturer warranty
Direct delivery to your residence or installation workshop

Engineering & Performance Characteristics

Ceramic sound packing withstands extreme exhaust temperatures indefinitely, preventing the packing burnout common in fiberglass mufflers.

Engineered Highlights & Performance Gains

  • Generous 4.5-inch diameter body fills factory saddlebag cutouts perfectly
  • Advanced multi-layer stainless mesh and ceramic wool dampens high-frequency harshness
  • Removable dB reducer insert lets you tune acoustic output
  • Contrast-machined billet aluminum end caps can be rotated in multiple positions

Technical Specifications

Brand & Origin
S&S Cycle
Product SKU / MPN
SS-550-0669 / 550-0669
System Architecture
Bagger Slip-On Muffler Pair
Material Construction
Cold-Rolled Steel Shell with Billet Aluminum End Caps
Surface Finish
Satin Black Ceramic with Contrast Chrome Slash End Caps
Sound Profile
Deep Resonant Low-Frequency Touring Roar
Baffle Specification
Stainless Perforated Core with Ceramic Acoustic Packing
ECU Tuning Status
Factory Fuel Map Compatible
Tuning Guidance
Works with stock ECU mapping on factory headpipes.
Manufacturer Warranty
2-Year Limited Manufacturer Warranty
Availability & Dispatch
In Stock (Cape Town stock, 1-3 business days delivery)

Included in Box

  • Pair of MK45 4.5-Inch Mufflers
  • Billet End Caps
  • dB Reducers
  • Torca Clamps
  • Hardware

Verified Fitment List

Confirmed compatible models for S&S MK45 4.5" Touring Slip-Ons - M8 Touring (Black/Chrome). Roxstar verifies model, year, and frame clearances prior to dispatch.

Road Glide Special FLTRXSStreet Glide Special FLHXSRoad King Special FLHRXSUltra Limited
Custom Fitment Consultation

Not sure if your specific model year, engine size, or aftermarket luggage brackets are compatible? Our Cape Town technicians confirm all dimensions before taking payment.

Submit your bike specs for verification →

South African Courier Logistics

All orders are dispatched from our Cape Town hub via fully trackable courier services. We deliver directly to private residences, commercial addresses, or designated motorcycle performance workshops.

Nationwide Transit Times:Western Cape: 1-2 Business Days • Gauteng, KZN & Eastern Cape: 2-3 Business Days

About S&S Cycle

Explore the full range of performance exhaust systems, tuning accessories, and precision engineered components from S&S Cycle.

View all S&S Cycle systems
Alternative Options

More Systems from S&S Cycle

View all brand products
S&S Grand National 2-into-2 High Mount - Indian FTR 1200 - S&S Cycle High-Mount Dual Slip-On System (SS-550-0950)
S&S CycleIn Stock

S&S Grand National 2-into-2 High Mount - Indian FTR 1200

Indian FTR 1200, FTR 1200 S, FTR Rally & FTR R Carbon (2019-2024)

SKU: SS-550-0950
Price on RequestSpecs
S&S Grand National 4" Slip-On Mufflers - M8 Touring - S&S Cycle Slip-On Muffler Pair (SS-550-0690)
S&S CycleIn Stock

S&S Grand National 4" Slip-On Mufflers - M8 Touring

Harley-Davidson Touring M8 (2017-2024)

SKU: SS-550-0690
Price on RequestSpecs
S&S SuperStreet 2-into-1 Exhaust - M8 Softail (Black) - S&S Cycle 2-into-1 Stepped Header System (SS-550-0788)
S&S CycleIn Stock

S&S SuperStreet 2-into-1 Exhaust - M8 Softail (Black)

Harley-Davidson Softail M8 (2018-2024)

SKU: SS-550-0788
Price on RequestSpecs

S&S MK45 4.5" Touring Slip-Ons - M8 Touring (Black/Chrome) FAQs

Clear, evidence-backed answers regarding motorcycle exhaust fitment and supply.

How do I request fitment verification and pricing for S&S MK45 4.5" Touring Slip-Ons - M8 Touring (Black/Chrome)?
Click 'Request Fitment Quote' or call our Cape Town office. Provide your motorcycle make, model, year, and displacement. We confirm VIN compatibility, header sizing, and stock availability before issuing a binding quote.
Does this S&S Cycle system require ECU re-tuning?
No re-tuning is strictly required for stock configurations, although an optimized fuel map will extract peak horsepower and torque gains.
What is the delivery timeline for delivery within South Africa?
Cape Town warehouse stock dispatches immediately via courier, arriving within 1 to 3 business days across all South African provinces.
What warranty coverage applies to SS-550-0669?
This unit is backed by 2-Year Limited Manufacturer Warranty against manufacturing and material defects, supported directly by Roxstar Performance in South Africa.

Technical & Category Guides

Enquire on S&S MK45 4.5" Touring Slip-Ons - M8 Touring (Black/Chrome)

Provide your motorcycle make, model, year, and displacement for direct fitment confirmation and an official written quote.