About this item
Chasing 800+ horsepower? The EVIL ENERGY LS3 HI-RAM EFI Intake Manifold (300117) is purpose-built for serious high-RPM racing — delivering peak power from 7,000–8,500+ RPM. This 102mm HI-RAM design features extended-length tuned runners, an oversized plenum, and included EFI fuel rails for bolt-on convenience. Constructed from premium cast aluminum with a polished silver finish, it's the intake manifold of choice for naturally aspirated big-displacement builds, large turbo, and supercharged combinations targeting maximum horsepower on LS3, L92, L99, and L76 rectangular port platforms.
Fitment
Fits all GM LS Gen III engines equipped with LS3/L92/L99/L76 style rectangular port cylinder heads
Chevrolet:Small-Block Gen IV L76:364 (6.0L);
Chevrolet:Small-Block Gen IV L92:376 (6.2L);
Chevrolet:Small-Block Gen IV L99:376 (6.2L);
Chevrolet:Small-Block Gen IV LS3:376 (6.2L)
Fitment by Engine Sub-Model
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LS3 (6.2L): Corvette C6 Base (2008–2013), Camaro SS Manual (2010–2015), Pontiac G8 GXP (2009), HSV E3/Gen-F (2013–2017)
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L99 (6.2L): Camaro SS Automatic (2010–2015)
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L92 (6.2L): Cadillac Escalade (2007–2014), GMC Yukon Denali (2007–2014), Chevy Suburban LTZ (2007–2014), Silverado/Sierra 1500 High-end (2007–2009)
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L76 (6.0L): Holden Commodore SS VE/VF (2008–2017), Caprice WM/WN (2008–2014), Caprice PPV (2011–2017), Pontiac G8 GT (2008–2009)
Key Features
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HI-RAM DESIGN — 7,000–8,500+ RPM PEAK POWER: Extended-length tuned runners and an oversized high-rise plenum maximize airflow at extreme RPM. Designed exclusively for EFI fuel systems with included fuel rails. Target applications: naturally aspirated big displacement, large single/twin turbo, and supercharged builds aiming for 800+ horsepower.
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102MM THROTTLE BODY BORE: Accepts 102mm throttle bodies for massive airflow capacity. The enlarged bore minimizes restriction and maximizes volumetric efficiency at high RPM — critical for forced-induction and high-combination NA builds.
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INCLUDES EFI FUEL RAILS: Comes complete with matching fuel rails for a true bolt-on installation. No need to source separate rail kits — everything you need is in the box.
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RECTANGULAR PORT FIT: Precision-cast to match LS3/L92/L99/L76 rectangular port configurations — ensures a leak-free gasket seal with no porting or modifications required.
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PREMIUM CAST ALUMINUM CONSTRUCTION: Every runner and plenum surface is precision cast from high-grade aluminum with a polished silver finish — anti-rust, anti-corrosion, high-temperature resistant. Dimensions: 23.96" (L) × 13.33" (W) × 12.03" (H).
Package Contents
- EVIL ENERGY LS3 HI-RAM EFI Intake Manifold, Polished Silver (Part No. 300117) × 1
- EFI Fuel Rails × 1 Set
- Complete Installation Hardware Kit × 1
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.
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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.
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Everything Included: EFI fuel rails and complete hardware kit included — no need to source separate components.
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Easy Returns: 90-day hassle-free return with free return shipping (unused, uninstalled).
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Warranty: 1-year warranty on all products.
