S&S CycleIn StockFull Exhaust Systems

S&S Grand National 2-into-1 Exhaust - Harley Dyna

SKU: SS-550-0750MPN: 550-0750•2-into-1 Upswept Megaphone System
Verified Motorcycle Compatibility:

Harley-Davidson Dyna FXD (2006-2017)

The premier club-style exhaust for Dyna riders, providing unmatched cornering clearance, crisp low-end response, and a signature American V-Twin bark.

Cape Town stock, 1-3 business days delivery
2-Year Limited Manufacturer Warranty
Fitment Guaranteed
S&S Grand National 2-into-1 Exhaust - Dyna FXD 2006-2017 - S&S Cycle 2-into-1 Upswept Megaphone System (SS-550-0750)
S&S Cycle Authentic SpecSKU: SS-550-0750
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

Collector is positioned to maximize torque curves on 96ci and 103ci Twin Cam engines, preventing exhaust reversion in decelerations.

Engineered Highlights & Performance Gains

  • Upswept megaphone silencer body delivers outstanding cornering ground clearance
  • Stepped primary headpipes tuned specifically for Twin Cam 96, 103, and 110 motors
  • Includes full-coverage black heat shields to prevent heat discolouration
  • Heavy-duty billet transmission mount isolates frame vibration

Technical Specifications

Brand & Origin
S&S Cycle
Product SKU / MPN
SS-550-0750 / 550-0750
System Architecture
2-into-1 Upswept Megaphone System
Material Construction
Stepped High-Grade Steel Tubing
Surface Finish
High-Temperature Black Ceramic Coating
Sound Profile
Loud Throaty Twin Cam Roar
Baffle Specification
Removable dB Reducer Insert Pre-Installed
Header Dimensions
1-3/4" stepped to 1-7/8"
ECU Tuning Status
Tuning Required / Highly Advised
Tuning Guidance
ECU fuel tuning required for optimal Twin Cam air-fuel ratio.
Manufacturer Warranty
2-Year Limited Manufacturer Warranty
Availability & Dispatch
In Stock (Cape Town stock, 1-3 business days delivery)

Included in Box

  • Stepped 2-into-1 Headers
  • Megaphone Muffler
  • Full Heat Shields
  • Billet Bracket
  • Hardware

Verified Fitment List

Confirmed compatible models for S&S Grand National 2-into-1 Exhaust - Dyna FXD 2006-2017. Roxstar verifies model, year, and frame clearances prior to dispatch.

Street Bob FXDBLow Rider FXDLSuper Glide FXDFat Bob FXDFWide Glide FXDWG
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
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S&S Grand National 2-into-1 Exhaust - Dyna FXD 2006-2017 FAQs

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

How do I request fitment verification and pricing for S&S Grand National 2-into-1 Exhaust - Dyna FXD 2006-2017?
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?
Yes. Because this system increases exhaust gas velocity and volumetric efficiency, ECU fuel mapping (such as a dyno tune or autotuner) is recommended to optimize AFR and performance.
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-550-0750?
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 Grand National 2-into-1 Exhaust - Dyna FXD 2006-2017

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