FAST LSXRT 102mm Intake (GM Truck)

List price: $889.99
Price: $889.99

50 State Legal Intake - C.A.R.B - E.O. D-279-8

FAST™ engineers teamed up with the airflow specialists at RHS® to develop the LSXR™ Intake Manifolds for cathedral port LS1, LS2, LS6 engines and rectangular port GM LS3 and LS7 engines. The LSXRT™ Intake Manifold was developed for the GM 4.8, 5.3, 6.0L cathedral port truck engines and cathedral port LS1, LS2, LS6 race applications where hood clearance is not a concern.

 The FAST™ LSXRT™102mm Intake Manifold follows the path chartered by the original FAST™ LSX™ Gen III Intake by featuring a modular design that allows for easy porting and disassembly and a runner design that yields an incredible 25 peak horsepower gain over the stock intake, on a stock 6.0L engine with a Big Mouth 102mm Throttle Body™. And similar to the LSXR™ 102mm Intake Manifold for cars, the LSXRT™ features the ability to remove individual runners for modification.

    • Constructed from an advanced polymer material that offers a host of benefits over aluminum aftermarket intakes, including lighter weight, increased strength and improved heat dissipating characteristics
    • 102mm air inlet that is perfectly suited to the FAST™ Big Mouth 102mm Throttle Body™, but the manifolds can also be used with any OEM or aftermarket 4-bolt 90mm or 92mm throttle bodies (78mm three-bolt throttle bodies require an adapter)
    • Innovative multi-layer design with removable runners for quick and easy disassembly and porting, integrated nitrous bungs and a precise bolt-on fit that permits the use of factory accessories and OEM fuel/emission connections without adjustments or clearance issues
    • 25 horsepower gain when used with a Big Mouth 102mm Throttle Body™ on a stock 6.0L truck engine

Throttle Body Options

 1999-2002 GM Truck/SUV w/ 3-Bolt Cable Throttle Body

  • Big Mouth 102mm Throttle Body™Part # 541021 or Big Mouth 92mm Throttle Body™Part # 540921

 2002-2007 GM Truck/SUV w/ 3-Bolt Electronic Throttle Body

  • FAST™ 102mm to 78mm OEM Throttle Body Adaptor Part # 146029-KIT

 2007-2010 GM Truck/SUV w/ 4-Bolt Electronic Throttle Body

  • Use OEM GM 4-Bolt Electronic Throttle Body

Fuel Rail Options

 1999-2002 GM Truck/SUV w/ 3-Bolt Cable Throttle Body

  • OEM GM Fuel Rail Mounting Kit Part # 146030-KIT2,3,4
  • LSXRT™ Billet Fuel Rail Kit Part # 146028-KIT3,4

 2002-2007 GM Truck/SUV w/ 3-Bolt Electronic Throttle Body

  • OEM GM Fuel Rail Mounting Kit Part # 146030-KIT2,3,4,6
  • LSXRT™ Billet Fuel Rail Kit Part # 146028-KIT3,4

 2007-2010 GM Truck/SUV w/ 4-Bolt Electronic Throttle Body

  • OEM GM Fuel Rail Mounting Kit Part # 146031-KIT2,3,4,5,7
  • LSXRT™ Billet Fuel Rail Kit Part # 146028-KIT3,4   

1. Requires GM purge solenoid part # 125881282

2. Permenant modification to OEM fuel rail required

3. For use with OEM GM Truck/SUV injectors and FAST™ LS2 Injectors

4. Requires injector lower o-ring swap(included with manifold) when using OEM injectors

5. Excludes '06 Trailblazer SS, some cowl modifications required

6. Includes '06 Trailblazer SS, some cowl modifications required

Manufacturer: 

  • FAST
SKU: 146602