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Performance Design XS LS3 Intake Manifold - Carbon Insert


**This item isn't always in stock, please call or email if you're in a hurry.

The XS Intake Manifold breaks the mold of the existing intake manifold architecture to maximize available space under the hood. When designing the optimum intake runner length and shape the fuel rail gets in the way…so we moved it….inside the intake manifold! After testing all the mainstream manifolds available, our manifold has done what no other did…make horsepower and torque gains on a stock engine with gains increasing as the engine got more aggressive with cam and exhaust upgrades. All other manifolds lost on HP or Torque to make the gain on the other.

The XS intake manifold fits all LS3-style cylinder head ports including L92, L99, L76, L77, LY6, LY2, L20, LMF, LC9, LH8, LH9, L9H and L94.

Even with the additional features and components required for this unique design, Performance Design is able to offer this intake manifold at a price significantly less than existing products on the market.

Specifications & Features
-Injection molded glass reinforced nylon construction
-Modular runners with 3 staggered lengths for best performance
-Billet fuel rails* with external quick disconnect near stock location
-Accepts standard EV6 LS3/LS7-style injectors
-Injector extension wires passed through sealed grommets
-90-103mm or 112mm forward facing throttle body flange (throttle body not included).
-90-103mm version fits the stock LS3/LSA and Nick Williams or other throttle bodies up to 103mm blade. The 112mm will fit Nick Williams 112mm DBW throttle body. 

-Carbon fiber center bolt cover
-Factory MAP sensor location
-PCV and Canister Purge Solenoid OEM connections
-Includes stainless steel hardware for installation
-Includes molded port, plenum and throttle seals
-Intake can be reversed on the engine
-Fits under the hood an cowl of a C6 Corvette
-Max recommended boost: 20psi
-CARB E.O. application in process

*Pre-production fuel rails shown. Production fuel rails will not be anodized.