Unleash the full performance potential of your high-performance Suzuki naked or sport-touring motorcycle with the K&N SU-9921 High-Flow Replacement Air Filter. Engineered as a direct drop-in replacement for your factory air box, this washable and reusable filter uses layered, oiled cotton gauze to maximize airflow while delivering superior engine protection on the road or track. Vehicle & Motorcycle Compatibility (New Zealand) This high-flow replacement air filter is custom-engineered to fit late-model Suzuki 1000cc inline-four platforms popular among New Zealand motorcycle enthusiasts: - Suzuki GSX-S1000: 2021–2026 (All Trims / ABS)
- Suzuki GSX-S1000GT / GT+: 2022–2026 (Sport Touring)
- Suzuki GSX-S1000GX / GX+: 2024–2026 (Crossover Adventure)
- Suzuki GSX-S1000S Katana: 2022–2025 (Heritage Sport)
- Suzuki GSX-S950: 2022–2025 (LAMS / Restricted Variant)
Note: Designed to drop directly into your original OEM air filter housing with no air box modifications or ECU jet/mapping changes required for standard factory setups. Key Features & Benefits: - Direct Factory Fit: Pre-oiled and drops straight into your original OEM air filter enclosure with zero modification required.
- Horsepower & Torque Boost: Pleated high-flow cotton media reduces air restriction, improving throttle response and acceleration.
- Washable & Reusable: Highly economical and environmentally sustainable—engineered to last for the lifetime of your motorcycle.
- Advanced Filtration Media: Multiple layers of surgical-grade cotton gauze treated with specialized tacking oil trap microscopic debris while maintaining maximum airflow.
- Lifetime Warranty: Backed by K&N's legendary No-Hassle Limited Lifetime Warranty.
Specifications: - Product Style: Panel Air Filter
- Filter Material: Cotton Gauze
- Washable: Yes
- Height: 1.313 in (33 mm)
- Outside Length: 13.438 in (341 mm)
- Outside Width: 5.938 in (151 mm)
- Filter Re-Oiling Amount: 0.74 oz (22 ml)
- Weight: 1.0 lb (0.5 kg)
Cross References: - Suzuki OEM: 13780-48K00 / 13780-48K10
- Aftermarket Alternatives: BMC FM1024 / FB1024
Official K&N Website Vehicle Applications List Complete coverage details for the SU-9921 across all supported model years and submodels: - 2026: Suzuki GSX-S1000, Suzuki GSX-S1000GX
- 2025: Suzuki GSX-S1000, Suzuki GSX-S1000GX, Suzuki GSX-S1000S Katana, Suzuki GSX-S950
- 2024: Suzuki GSX-S1000, Suzuki GSX-S1000GX, Suzuki GSX-S1000GT, Suzuki GSX-S1000S Katana, Suzuki GSX-S950
- 2023: Suzuki GSX-S1000, Suzuki GSX-S1000GT, Suzuki GSX-S1000S Katana, Suzuki GSX-S950
- 2022: Suzuki GSX-S1000, Suzuki GSX-S1000GT, Suzuki GSX-S1000S Katana, Suzuki GSX-S950
- 2021: Suzuki GSX-S1000
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