1991 GMC C2500 7.4L V8 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 | 7.41 HP @ 3571 RPM |
Replacement Filter | RU-1032 |
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 | 11 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 | Yes |
TUV Approved (Europe) | No |
Weight | 10.8 lb (4.9 kg) |
Product Box Height | 10.5 in (267 mm) |
Product Box Length | 35.5 in (902 mm) |
Product Box Width | 13.25 in (337 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 - 1989 Chevrolet 3500 7.4L- 7.41HP Increase- Guaranteed horsepower gain
- Designed to improve throttle response and engine sound
- Free-flowing high density polyethylene tube
- Replaces entire factory air intake system
- Not legal for highway use in states adopting California emission regulations
- K&N No-Hassle Lifetime Limited Warranty
- Easy to install, usually in 60 minutes or less
Estimated Horsepower Gain | 6.72 HP @ 4107 RPM |
Estimated Torque Gain | 8.66 lbft |
Air Filter Color | Red |
Air Filter Material | Cotton Gauze |
Air Filter Outlet Shape | Not Flanged |
Clamps Included | 1 |
Clamp Material | Stainless Steel |
Clamp Style | Mini |
Couplers Included | None |
Replacement Filter | E-3750 |
Product Style | 63 Series Aircharger Kits |
Street Legal In All US States | No |
TUV Approved (Europe) | No |
Top Style | Metal |
Top Material | Chrome |
Weight | 6.5 lb (3 kg) |
Product Box Height | 14.5 in (368 mm) |
Product Box Length | 14.25 in (362 mm) |
Product Box Width | 6.5 in (165 mm) |
California Restricted | Not legal for sale or use in California |
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 - 1993 Chevrolet C1500 5.7L - 6.72HP increase