S&S Grand National Slip-On Mufflers - Sportster XL
Harley-Davidson Sportster XL (2014-2022)
The quickest way to bring authentic S&S racing acoustics and aggressive styling to your Sportster while retaining stock headers.

Includes currency-adjusted exchange rate, South African customs clearance, and insured door-to-door courier dispatch from Cape Town.
Engineering & Performance Characteristics
Internal louvered baffles maintain sufficient backpressure for solid low-speed city throttle response.
Engineered Highlights & Performance Gains
- Classic 3-inch body diameter aligns with factory header heat shields
- Signature Grand National machined billet end caps with race hole accents
- Removable dB reducer gives rider control over sound level
- Direct slip-on replacement reusing stock mounting bracket
Technical Specifications
- Brand & Origin
- S&S Cycle
- Product SKU / MPN
- SS-550-0739 / 550-0739
- System Architecture
- Slip-On Muffler Pair
- Material Construction
- Cold-Rolled Steel with Machined Billet End Caps
- Surface Finish
- High-Temperature Black Ceramic Coating
- Sound Profile
- Deep Authoritative Sportster V-Twin Rumble
- Baffle Specification
- Removable dB Reducer Insert Pre-Installed
- ECU Tuning Status
- Factory Fuel Map Compatible
- Tuning Guidance
- Direct bolt-on to factory headers; retuning optional.
- Manufacturer Warranty
- 2-Year Limited Manufacturer Warranty
- Availability & Dispatch
- In Stock (Cape Town stock, 1-3 business days delivery)
Included in Box
- Pair of Grand National Mufflers
- dB Reducers
- Torca Exhaust Clamps
- Instructions
Verified Fitment List
Confirmed compatible models for S&S Grand National Slip-On Mufflers - Sportster XL 2014-2022. Roxstar verifies model, year, and frame clearances prior to dispatch.
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.
About S&S Cycle
Explore the full range of performance exhaust systems, tuning accessories, and precision engineered components from S&S Cycle.
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S&S Grand National Slip-On Mufflers - Sportster XL 2014-2022 FAQs
Clear, evidence-backed answers regarding motorcycle exhaust fitment and supply.
How do I request fitment verification and pricing for S&S Grand National Slip-On Mufflers - Sportster XL 2014-2022?
Does this S&S Cycle system require ECU re-tuning?
What is the delivery timeline for delivery within South Africa?
What warranty coverage applies to SS-550-0739?
Technical & Category Guides
- S&S Cycle Brand ShowcaseExplore all performance products and engineering heritage from S&S Cycle.
- Performance Products CatalogBrowse all 220+ performance exhausts, headers, and tuning upgrades.
- Fitment Confirmation GuideLearn how we verify motorcycle year, model, and sensor bung specs.
- Exhaust Tuning & Fuel MappingECU tuning, fuel management, and air-fuel ratio advisory.
Enquire on S&S Grand National Slip-On Mufflers - Sportster XL 2014-2022
Provide your motorcycle make, model, year, and displacement for direct fitment confirmation and an official written quote.
