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Constructed from the same advanced polymer material as the original FAST LSX 92mm Intake Manifold, but now in the popular black color, the LSXR offers a host of benefits over aluminum aftermarket intakes, including lighter weight, increased strength and improved heat dissipating characteristics.
- LSXr 102mm Rectangle Port Intake Manifold for LS3/L92
- The FAST LSX 102mm Intake Manifold for GM LS3/L92 engines provides bolt-on performance gains without any loss in bottom-end drivability. This manifold features our standard design runners for use in mild street-oriented applications.
P311-590B0CF 146102B FAST New
Vehicle | Engine Designation | Block | Engine | CID | CC |
---|---|---|---|---|---|
2013 Chevrolet Corvette | LS3 | V | 8 Cyl 6.2L | 376 | 6162 |
-
Features:
- Modular design allows for fast and easy disassembly
- Removable runners allow for porting
- Improved throttle body sealing flange and o-ring gasket
- High quality polymer materials resist the heat sink effecct of aluminum
- Maximizes potential of other engine performance upgrades like cylinder heads
- Designed to work with FAST Big Mouth and Big Mouth LT Throttle Bodies
- Includes stainless steel bolts, threaded insert throttle body mounts and necessary mounting hardware.
- C.A.R.B. EO Number: D-279-10
- C.A.R.B. Exempt?: Yes
- Warning: Cancer And Reproductive Harm P65warnings.ca.gov
- Intake Port Style: Rectangle
- LSXr 102mm Rectangle Port Intake Manifold for LS3/L92
- The FAST LSX 102mm Intake Manifold for GM LS3/L92 engines provides bolt-on performance gains without any loss in bottom-end drivability. This manifold features our standard design runners for use in mild street-oriented applications.
P311-590B0CF 146102B FAST New
Vehicle | Engine Designation | Block | Engine | CID | CC |
---|---|---|---|---|---|
2014 Chevrolet Camaro | LS3 | V | 8 Cyl 6.2L | 376 | 6162 |
-
Features:
- Modular design allows for fast and easy disassembly
- Removable runners allow for porting
- Improved throttle body sealing flange and o-ring gasket
- High quality polymer materials resist the heat sink effecct of aluminum
- Maximizes potential of other engine performance upgrades like cylinder heads
- Designed to work with FAST Big Mouth and Big Mouth LT Throttle Bodies
- Includes stainless steel bolts, threaded insert throttle body mounts and necessary mounting hardware.
- C.A.R.B. EO Number: D-279-10
- C.A.R.B. Exempt?: Yes
- Warning: Cancer And Reproductive Harm P65warnings.ca.gov
- Intake Port Style: Rectangle

- LSXrt 102mm High HP Rectangle Port Intake Manifold for LS3/L92
- Building upon the popular LSXrt intake manifold, the new LSXrt gives LS3/L92 engines more plenum volume for all-out racing. The raised throttle body location optimizes the larger, less restrictive High HP runner design, creating more power.
P311-24599CC 146105B FAST New
Vehicle | Engine Designation | Block | Engine | CID | CC |
---|---|---|---|---|---|
2009 Chevrolet Avalanche | L76 | V | 8 Cyl 6.0L | 364 | 5967 |
-
Features:
- 102mm inlet also works with OEM electronic 78/90mm or aftermarket 90/92mm throttle bodies for high flow and minimal restriction (three-bolt electronic throttle bodies require an adapter).
- Advanced polymer material is strong, lightweight and cools intake charge for enhanced power.
- Big gains in rear-wheel HP yet retains factory fitments and under-hood clearance requirements.
- Replacement runners can be purchased separately
- Designed specifically for rectangle port LS3/L92 engines in car and truck applications where hood clearance is not a concern.
- Modular design allows for easy removal and porting of intake runners.
- Proprietary precision injected polymer design offers light weight, excellent strength and lower heat soak propensity, especially compared to aluminum designs.
- Features integrated nitrous bungs and a bolt-on fit that allows the use of factory truck accessories.
- Includes our High HP runners that deliver gains of 30+ HP over standard runners.
- Feature larger plenum than the lower profile LSXr High HP intake manifold.
- C.A.R.B. EO Number: D-279-10
- Warning: Cancer And Reproductive Harm P65warnings. Ca.gov
- Fitment: Rectangle Port (ls3/l92) Gm Ls Engines
- Grade Type: Performance

- LSXrt 102mm High HP Rectangle Port Intake Manifold for LS3/L92
- Building upon the popular LSXrt intake manifold, the new LSXrt gives LS3/L92 engines more plenum volume for all-out racing. The raised throttle body location optimizes the larger, less restrictive High HP runner design, creating more power.
P311-24599CC 146105B FAST New
Vehicle | Engine Designation | Block | Engine | CID | CC |
---|---|---|---|---|---|
2010 GMC Yukon | L94 | V | 8 Cyl 6.2L | 376 | 6162 |
-
Features:
- 102mm inlet also works with OEM electronic 78/90mm or aftermarket 90/92mm throttle bodies for high flow and minimal restriction (three-bolt electronic throttle bodies require an adapter).
- Advanced polymer material is strong, lightweight and cools intake charge for enhanced power.
- Big gains in rear-wheel HP yet retains factory fitments and under-hood clearance requirements.
- Replacement runners can be purchased separately
- Designed specifically for rectangle port LS3/L92 engines in car and truck applications where hood clearance is not a concern.
- Modular design allows for easy removal and porting of intake runners.
- Proprietary precision injected polymer design offers light weight, excellent strength and lower heat soak propensity, especially compared to aluminum designs.
- Features integrated nitrous bungs and a bolt-on fit that allows the use of factory truck accessories.
- Includes our High HP runners that deliver gains of 30+ HP over standard runners.
- Feature larger plenum than the lower profile LSXr High HP intake manifold.
- C.A.R.B. EO Number: D-279-10
- Warning: Cancer And Reproductive Harm P65warnings. Ca.gov
- Fitment: Rectangle Port (ls3/l92) Gm Ls Engines
- Grade Type: Performance
- LSXHR 103mm Intake Manifold for Rectangular Port LS3
- Designed for boosted and N/A LS3 engines, the LSXHR 103mm intake is not only rated for 45 PSI of pressure, but also eliminates heat soak thanks to its advanced polymer construction. Gains 30 HP on average over competitors' aluminum intakes.
P311-1EE5CB9 146106 FAST New
Vehicle | Engine Designation | Block | Engine | CID | CC |
---|---|---|---|---|---|
2008 Cadillac Escalade EXT | L92 | V | 8 Cyl 6.2L | 376 | 6162 |
-
Features:
- Lightweight and strong polymer construction
- Virtually eliminates heat soak
- Average 30 HP gain over competitor tunnel ram manifolds
- Rated for up to 45psi of boost pressure
- Forward- or firewall-facing throttle body installation
- Available for rectangular LS3 and raised port LS7 engines
- C.A.R.B. EO Number: N/a
- C.A.R.B. Exempt?: No
- LSXHR 103mm Intake Manifold for Rectangular Port LS3
- Designed for boosted and N/A LS3 engines, the LSXHR 103mm intake is not only rated for 45 PSI of pressure, but also eliminates heat soak thanks to its advanced polymer construction. Gains 30 HP on average over competitors' aluminum intakes.
P311-1EE5CB9 146106 FAST New
Vehicle | Engine Designation | Block | Engine | CID | CC |
---|---|---|---|---|---|
2016 Chevrolet SS | LS3 | V | 8 Cyl 6.2L | 376 | 6162 |
-
Features:
- Lightweight and strong polymer construction
- Virtually eliminates heat soak
- Average 30 HP gain over competitor tunnel ram manifolds
- Rated for up to 45psi of boost pressure
- Forward- or firewall-facing throttle body installation
- Available for rectangular LS3 and raised port LS7 engines
- C.A.R.B. EO Number: N/a
- C.A.R.B. Exempt?: No
- LSXr 102mm Raised Rectangle Port Intake Manifold for LS7
- The FAST LSX 102mm Intake Manifold for GM LS7 engines provides bolt-on performance gains without any loss in bottom-end drivability.This manifold features our standard design runners for use in mild street-oriented applications.
P311-5C0AFCE 146202B FAST New
Vehicle | Submodel | Engine Designation | Engine Version | Block | Engine | CID | CC |
---|---|---|---|---|---|---|---|
2008 Chevrolet Corvette | 427 Limited Edition Z06 | LS7 | N/R | V | 8 Cyl 7.0L | 427 | 7011 |
-
Features:
- Modular design allows for fast and easy disassembly
- Removable runners allow for porting
- Improved throttle body sealing flange and o-ring gasket
- High quality polymer materials resist the heat sink effecct of aluminum
- Maximizes potential of other engine performance upgrades like cylinder heads
- Designed to work with FAST Big Mouth and Big Mouth LT Throttle Bodies
- Includes stainless steel bolts, threaded insert throttle body mounts and necessary mounting hardware.
- C.A.R.B. EO Number: D-279-10
- C.A.R.B. Exempt?: Yes
- Warning: Cancer And Reproductive Harm P65warnings.ca.gov
- Intake Port Style: Raised Rectangle
- LSXr 102mm Raised Rectangle Port Intake Manifold for LS7
- The FAST LSX 102mm Intake Manifold for GM LS7 engines provides bolt-on performance gains without any loss in bottom-end drivability.This manifold features our standard design runners for use in mild street-oriented applications.
P311-5C0AFCE 146202B FAST New
Vehicle | Submodel | Engine Designation | Engine Version | Block | Engine | CID | CC |
---|---|---|---|---|---|---|---|
2012 Chevrolet Corvette | Z06 | LS7 | N/R | V | 8 Cyl 7.0L | 427 | 7011 |
-
Features:
- Modular design allows for fast and easy disassembly
- Removable runners allow for porting
- Improved throttle body sealing flange and o-ring gasket
- High quality polymer materials resist the heat sink effecct of aluminum
- Maximizes potential of other engine performance upgrades like cylinder heads
- Designed to work with FAST Big Mouth and Big Mouth LT Throttle Bodies
- Includes stainless steel bolts, threaded insert throttle body mounts and necessary mounting hardware.
- C.A.R.B. EO Number: D-279-10
- C.A.R.B. Exempt?: Yes
- Warning: Cancer And Reproductive Harm P65warnings.ca.gov
- Intake Port Style: Raised Rectangle
- LSXHR 103mm Intake Manifold for Raised Rectangular Port LS7
- Designed for boosted and N/A LS7 engines, the LSXHR 103mm intake is not only rated for 45 PSI of pressure, but also eliminates heat soak thanks to its advanced polymer construction. Gains 30 HP on average over competitors' aluminum intakes.
P311-21422C9 146204 FAST New
Vehicle | Submodel | Engine Designation | Block | Engine | CID | CC |
---|---|---|---|---|---|---|
2008 Chevrolet Corvette | 427 Limited Edition Z06 | LS7 | V | 8 Cyl 7.0L | 427 | 7011 |
-
Features:
- Lightweight and strong polymer construction
- Virtually eliminates heat soak
- Average 30 HP gain over competitor tunnel ram manifolds
- Rated for up to 45psi of boost pressure
- Forward- or firewall-facing throttle body installation
- Available for rectangular LS3 and raised port LS7 engines
- C.A.R.B. EO Number: N/a
- C.A.R.B. Exempt?: No
- LSXHR 103mm Intake Manifold for Raised Rectangular Port LS7
- Designed for boosted and N/A LS7 engines, the LSXHR 103mm intake is not only rated for 45 PSI of pressure, but also eliminates heat soak thanks to its advanced polymer construction. Gains 30 HP on average over competitors' aluminum intakes.
P311-21422C9 146204 FAST New
Vehicle | Submodel | Engine Designation | Block | Engine | CID | CC |
---|---|---|---|---|---|---|
2014 Chevrolet Camaro | Z/28 | LS7 | V | 8 Cyl 7.0L | 427 | 7011 |
-
Features:
- Lightweight and strong polymer construction
- Virtually eliminates heat soak
- Average 30 HP gain over competitor tunnel ram manifolds
- Rated for up to 45psi of boost pressure
- Forward- or firewall-facing throttle body installation
- Available for rectangular LS3 and raised port LS7 engines
- C.A.R.B. EO Number: N/a
- C.A.R.B. Exempt?: No