Complete Bolt On ITB Kit (Cathedral Port) With Carbon Plenum For Gen3 GM LS3 Series V8 Engines 完整專用直上 8 喉直噴進氣系統 (LS3, 含碳纖維集氣箱)

This is a complete bolt on kit that will fit ALL LS series GM / Chevrolet engines with cathedral port heads.

Maintains all standard equipment such as TPS, IAC, fuel rail and injectors. Also comes with high mounted fuel rail option to run secondary injectors or NOS etc.

Our testing has shown this kit to produce peak gains of up to 45~65rwHp over the standard intake on a completely stock engine, with NO loss to mid range torque or power. With proper setup and tuning this drives just like an oem tuned vehicle with perfect driveability, starting and idle control.

When coupled with a performance cam we have seen power exceed 400Whp (300+ WKw) on otherwise stock 5.7L engine.

Note this kit does include the pictured backing plate and FRP-carbon fiber airbox / scoop. See our other listing for kits with basic open trumpets if the scoop is not needed.

• 50+whp Incrase Of Oem Intake
• Smooth Low-Rpm Divability – Some Customers Have Been Daily Driving For 3 years+
• 7 Inch (180mm) Manifold Runner Length For Improved Torque
• Amazing Deep Induction Sound.
• Nitrous Compatibility Via Top Mount Ports. Cans Also Be Used For E85 or Race Fuel For Additinal Power.
• 51mm Throttle Body Openings x8 For Unmatched Air Flow Over Any Other Intake. 

Comes with Low and High mount injector port options to allow nitrous or different fuel rail heights. The high mount option provided impressive increased gains when using E85 (100 Octane) fuel. 

Included in the kit : 

• Complete Bolt-On ITB Kit.
  • 8x Manifold Runners & Trumpets.
  • 8x Pre-Assembled Throttle Bodies.
  • Linkage Mechanism & Adjuster Screws
  • Vacuum Block, Hose Fittings and Silicone Hose.
• 2x Aluminium Injector Rails for High-Mount Ports
• 8x Injector Plugs to block off unused ports. 
• Carbon Plenum & Backing Plate (Trumpets include flanges for backing plate)

OPTIONAL :

• Optional : Drive-By-Wire actuator. (Kit will be setup for DBW and not cable throttle)
• Optional upon request : Base tuning file to suit OEM ECU with HPTuners (Additional tuning recommended) 

This is a complete kit that utilises the factory equipment such as TPS, IAC, Fuel Rail and Fuel Injectors and ECU. 

SPECIFICATION : 

• All throttle bodies and linkage parts are precision CNC machined from 6061 Billet Aluminium. 
• Center-less ground 12L14 Steel Shafts with Sealed Ball Bearings
• High Precisions 7-Degree Brass throttle plates
• 51mm throttles @ 469CFM flow each. 
• Spun Aluminium Velocity stacks with parabolic rolled edge for maximum flow with minimal turbulance. 

Check our show for ITB running.

This car from our customer, We just only change Intake system to our ITB kit, still use stock ECU. Dyno run get the awesome over 65whp power gain.

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