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1999 Honda Civic Si 1.6L L4 Gas Air Intake
- Guaranteed to increase horsepower and torque
- Roto-molded HDPE intake tube paired with oversized oiled cotton air filter
- Engineered to provide high airflow and exceptional filtration
- Replaces factory air filter and intake tube
- Filter only requires cleaning every 100,000 miles under normal highway driving conditions
- Typical installation can be completed in 60 minutes or less with simple hand tools
- No-Hassle Lifetime Limited Warranty™
- Will not void vehicle warranty
Estimated Horsepower Gain | 5.77 HP @ 7500 RPM |
Replacement Filter | RU-4550 |
Air Filter Color | Red |
Air Filter Material | Cotton Gauze |
Air Filter Outlet Shape | Round |
Clamps Included | 4 |
Clamp Material | Stainless Steel |
Clamp Style | Regular |
CARB EO Number | D-269-17 |
Couplers Included | 1 |
Type | Gen II |
Estimated Torque Gain | 4.1 lbft |
Product Style | 57 Series FIPK |
Intake Pipe Color / Finish | Black |
Intake Pipe Material | High-Density Cross-Linked Polyethylene |
Street Legal In All US States | Legal for use in all 50 states. |
TUV Approved (Europe) | No |
Weight | 8 lb (3.6 kg) |
Product Box Height | 12.25 in (311 mm) |
Product Box Length | 20.25 in (514 mm) |
Product Box Width | 12.25 in (311 mm) |
Mounting Hardware Included | Yes |
Warranty | No-Hassle Lifetime Limited |
Easy Moderate Advanced
Wrench, Extension, Flat Blade Screwdriver, Allen Wrench
60-90 Minutes
Installation PDF
Installation Instruction Sheet Horsepower Guarantee Dyno Chart - 2000 Honda Civic Si 1.6L - 5.77HP Increase- Guaranteed to increase horsepower
- Designed to improve throttle response and engine sound
- Free-flowing aluminum tubes
- Easy to install, usually in 90 minutes or less
- Lasts up to 100,000 miles before service is required (depending on driving conditions)
- Replaces entire factory air intake system
- Washable and reusable lifetime air filter
- K&N No-Hassle Lifetime Limited Warranty
Estimated Horsepower Gain | 10.57 HP @ 7100 RPM |
Replacement Filter | RU-4870 |
Air Filter Color | Red |
Air Filter Material | Cotton Gauze |
Air Filter Outlet Shape | Round |
Clamps Included | 5 |
Clamp Material | Stainless Steel |
Clamp Style | Regular |
Couplers Included | 2 |
System Type | Complete Cold-Air Intake System |
Estimated Torque Gain | 7.8 lbft |
Product Style | 69 Series Typhoon Kits |
Intake Pipe Color / Finish | Polished |
Intake Pipe Material | Aluminum |
CARB EO Number | D-269-30 |
Street Legal In All US States | Legal for use in all 50 states. |
TUV Approved (Europe) | No |
Weight | 6.8 lb (3.1 kg) |
Product Box Height | 8.5 in (216 mm) |
Product Box Length | 18.25 in (464 mm) |
Product Box Width | 14.5 in (368 mm) |
Mounting Hardware Included | Yes |
Warranty | No-Hassle Lifetime Limited |
Easy Moderate Advanced
Wrench, Extension, Flat Blade Screwdriver, Allen Wrench
60-90 Minutes
Installation PDF
Installation Instruction Sheet Horsepower Guarantee Dyno Chart - 1999 Honda Civic SI 1.6L - 10.57HP increase