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Cold Air Intake - High-flow, Roto-mold Tube - H/D SOFTAIL/DYNA FI; SILVE
£249.99
In stock
SKU
57-1137S
K&N FIPK air intakes for select Harley-Davidson Touring, Softail, Twin-Cam and Sportster motorcycle models increase power by eliminating the restrictive stock OE air cleaner and replacing it with a K&N high-flow air filter and cast aluminum intake tube. These intakes come with a die-cast aluminum throttle-body mounting plate and mounting hardware. K&N high-flow intake systems give your Harley® an aggressive appearance while providing a significant increase in airflow resulting in more power.
- Guaranteed to increase horsepower
- Designed to improve throttle response and engine sound
- Cast aluminum high-performance intake tube
- Washable and reusable K&N High-Flow cotton air filter that provides outstanding performance and protection
- Integrated internal velocity stack
- Built-in breathers replace external OE breathers
- Lasts up to 100,000 miles before service is required (depending on driving conditions)
- Easy to install, usually in 90 minutes or less
| Estimated Horsepower Gain | 5.35 HP @ 4758 RPM |
| Replacement Filter | RE-5287 |
| Air Filter Color | Red |
| Air Filter Material | Cotton Gauze |
| Warranty | No-Hassle Lifetime Limited |
| Product Style | Motorcycle Intake System |
| Air Filter Height | 5.25 in (133 mm) |
| Air Filter Outlet Shape | Round |
| Intake Pipe Color / Finish | Silver |
| Intake Pipe Material | Die-Cast Aluminum |
| CARB EO Number | D-269-59 |
| Street Legal In All US States | Legal for use in all 50 states. |
| TUV Approved (Europe) | No |
| Clamps Included | 1 |
| Clamp Style | Regular |
| Clamp Material | Stainless Steel |
| Weight | 4.2 lb (1.9 kg) |
| Product Box Height | 4.88 in (124 mm) |
| Product Box Length | 11.75 in (298 mm) |
| Product Box Width | 9.5 in (241 mm) |
| Couplers Included | Not Required |
| Estimated Torque Gain | 8 lbft |
| Mounting Hardware Included | Yes |
| Arlen Ness 81001 |
| Performance Machine HS42001K |
+5.35
horsepower
+8
torque
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