S&S Grand National Slip-On Exhaust - Sportster S
Harley-Davidson Sportster S RH1250S (2021-2024)
Transforms the ergonomics and acoustic character of the Sportster S, cutting down exhaust heat radiation and delivering authentic flat-track styling.

Includes currency-adjusted exchange rate, South African customs clearance, and insured door-to-door courier dispatch from Cape Town.
Engineering & Performance Characteristics
Pre-preg carbon heat shields incorporate ceramic insulation mats that drop surface temperatures by over 45°C.
Engineered Highlights & Performance Gains
- Replaces bulky factory high-mount silencers, shedding over 5.2kg of weight
- Includes high-grade carbon fiber heat shields to eliminate leg heat discomfort
- Unleashes the deep, sporty exhaust roar of the Revolution Max liquid-cooled twin
- Direct bolt-on fitment reusing factory subframe mounts
Technical Specifications
- Brand & Origin
- S&S Cycle
- Product SKU / MPN
- SS-550-1025 / 550-1025
- System Architecture
- High-Mount Dual Slip-On System
- Material Construction
- Stainless Steel with Carbon Fiber Heat Shields
- Surface Finish
- Matte Ceramic Black with Carbon Fiber Accents
- Sound Profile
- Crisp Deep High-Revving V-Twin Note
- Baffle Specification
- Removable dB Reducer Included
- ECU Tuning Status
- Factory Fuel Map Compatible
- Tuning Guidance
- Bolt-on install; works with factory Revolution Max ECU.
- Manufacturer Warranty
- 2-Year Limited Manufacturer Warranty
- Availability & Dispatch
- In Stock (Cape Town stock, 1-3 business days delivery)
Included in Box
- Dual Grand National Mufflers
- Connecting Link Pipes
- Carbon Fiber Heat Shields
- Hardware
Verified Fitment List
Confirmed compatible models for S&S Grand National Slip-On - Harley Sportster S RevMax. 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 - Harley Sportster S RevMax 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 - Harley Sportster S RevMax?
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-550-1025?
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 - Harley Sportster S RevMax
Provide your motorcycle make, model, year, and displacement for direct fitment confirmation and an official written quote.
