Why Choose EVIL ENERGY LS3 HI-RAM Intake Manifold?
When every horsepower counts, the EVIL ENERGY LS3 HI-RAM EFI intake manifold delivers the high-RPM airflow, 102mm capacity, and build quality that serious racers and engine builders demand. Every LS intake manifold we produce is precision cast from premium aluminum — designed as a direct bolt-on upgrade for rectangular port LS platforms. Whether you're building a turbocharged drag car, a supercharged track weapon, or a max-effort naturally aspirated race engine, this HI-RAM intake with included fuel rails is engineered to help you reach your 800+ HP target.
- Proven Race-Level Performance: HI-RAM high-rise design optimized for 7,000–8,500+ RPM peak power — the intake manifold of choice for turbo, supercharger, and big-displacement NA builds.
- Everything Included: EFI fuel rails and complete hardware kit included — no need to source separate components.
- Easy Returns: 90-day hassle-free return with free return shipping (unused, uninstalled).
- Warranty: 1-year warranty on all products.
Who Is This EVIL ENERGY LS Engine Intake Manifold For?
The EVIL ENERGY intake manifold is designed for performance-focused builders who need a high-rise EFI intake manifold for rectangular-port GM LS combinations. This LS engine intake manifold is best suited for users building LS3, L92, L99, or L76 engine combinations and looking for a polished LS aluminum intake with 102 mm throttle body compatibility and included EFI fuel rails.
This LS3 intake manifold is a strong fit for:
- LS engine builders upgrading from a stock composite intake to a high-rise aluminum setup
- 6.0 LS intake manifold shoppers building L76-based performance combinations
- LS high ram intake buyers planning turbocharged, supercharged, or high-RPM naturally aspirated EFI builds
- LS swap enthusiasts who need a rectangular-port fuel injection manifold
- Track-day, drag racing, and street/strip builders prioritizing upper-RPM airflow over stock-style packaging
Best Use Scenarios
This LS intake manifold is ideal for the following applications:
- High-RPM EFI performance builds targeting strong top-end horsepower
- LS3 intake manifold upgrades for rectangular-port 6.2L combinations
- LS 6.0 intake manifold upgrades for L76 6.0L builds using EFI
- Turbo and supercharged projects requiring a durable LS aluminum intake
- Custom LS swap builds where hood clearance, throttle body size, and EFI layout are already part of the build plan
- Race-oriented or weekend performance vehicles using a LS high-rise intake rather than a stock-height manifold




















