The engineers at FAST™ teamed up with the airflow specialists at RHS™ to develop a threepiece,
polymer intake manifold for rectangular port GM LS3/L92 engines. Testing on a stock
LS3 engine with a Big Mouth 102mm Throttle Body™ produced gains of 14+ horsepower and
11ft/lbs of torque at the flywheel over the stock intake.
Following the path charted by the original FAST™ LSX™ Gen III Manifold, the new LSXR
102mm Intake Manifold features a three-piece modular design that allows easy disassembly and
porting. Extensive testing led to a runner design that is longer and less restrictive, yielding both
torque and power gains over the stock intake. New to this design is the ability to remove
individual runners from the manifold for modification.
The LSXR™ is constructed from a proprietary advanced polymer material which offers a host of
benefits over aluminum aftermarket intakes, including lighter weight, strength and improved heat
dissipating characteristics. While the LSXR™ features a 102mm air inlet that is perfectly suited
to the FAST™ Big Mouth 102mm Throttle Body™, it can also be used with stock or aftermarket
90mm or 92mm throttle bodies. Other features include integrated nitrous bungs and perfect bolton
fitment that allows use of factory accessories without modification or clearance concerns.
Features & Benefits:
- Three-piece, polymer intake manifold for rectangular port GM LS3/L92 engines
- Advanced polymer material is strong, lightweight, easy to modify and keeps intake charge cool for power enhancement
- The 102mm throttle body intake diameter works with 90, 92 or 102mm bodies for high flow with a minimum of restriction
- Gains of 14+ horsepower & 11ft/lbs of torque yet retains all factory fitments and underhood clearance requirements
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