The Spectre 98499 low profile plenum is engineered for custom air intake systems where hood clearance is limited. Manufactured from durable polished cast aluminum, this plenum measures just 2.4 inches tall from the carburetor flange to the top, providing a slim-profile solution for tight engine bays. The single 4-inch inlet is specifically designed to mate with Spectre 4-inch tubing, filters, and intake accessories to route cool air directly to your engine.

This component is designed to fit carburetors and TBI throttle bodies with a standard 5-1/8 inch inlet neck. It provides a clean, professional look while solving clearance issues that traditional air cleaner assemblies cannot accommodate.

• Material: Polished cast aluminum
• Inlet Size: Single 4-inch O.D.
• Neck Fitment: 5-1/8 inch carburetor/TBI flange
• Plenum Height: 2.4 inches
• Overall Length: 9.25 inches (air cleaner stud to inlet)
• Plenum Width: 7.25 inches (at air cleaner stud)
• Installation: Requires Spectre 4208 air cleaner nut (sold separately)
• Manufacturer Part Number: 98499

Fits Nissan Skyline ECR33 models equipped with the RB25DET engine.

The GReddy Plenum Intake Manifold is engineered to optimize airflow and air distribution across all six cylinders. By replacing the restrictive factory intake components with a high-volume cast aluminum plenum, this manifold improves throttle response and increases top-end power potential on forced induction setups.

• Designed specifically for the RB25DET engine (ECR33 chassis)
• High-quality cast aluminum construction for durability under high boost
• Optimized plenum volume and runner geometry for improved flow velocity
• Ideal for high-horsepower builds requiring efficient air delivery
• Manufacturer Part Number: 13522316

Fits 1989-1998 Nissan 240SX (SR20DET S14/S15 Engine Swaps).

The GReddy Short Runner Intake Plenum is engineered to optimize airflow distribution for the SR20DET S14 and S15 engines. This plenum is specifically designed to work with the factory throttle body, allowing for a more straightforward installation while significantly improving intake efficiency. By utilizing a short-runner design, this manifold enhances throttle response and increases power in the mid-to-high RPM range, making it a critical upgrade for turbocharged builds.

Constructed from high-grade cast aluminum, the plenum is built to withstand high boost pressures and heat cycles. It features precision-machined flanges for a leak-free seal and maintains the necessary vacuum ports for factory sensor integration.

• Specifically designed for SR20DET S14 and S15 engine variants
• Compatible with the original stock throttle body
• Short-runner geometry for improved high-RPM airflow and engine response
• High-quality cast aluminum construction for durability under boost
• Includes all necessary ports for standard vacuum line connections
• Manufacturer Part Number: 13522317

Fits 1998-2007 Dodge Ram 2500 and 3500 (5.9L).

The Banks Power High-Flow Billet Intake Plate (MPN: 42732) is designed to eliminate the airflow restrictions common in the factory intake manifold of Cummins-powered Dodge trucks. Precision-machined from billet aluminum, this plate improves volumetric efficiency and provides an additional 0.5 psi of boost, making it a critical upgrade for high-performance race applications.

Unlike many race-oriented intake components, this billet plate is engineered to allow the reuse of the stock grid heater, ensuring your engine retains its cold-weather starting capabilities while benefiting from increased airflow. This plate is intended for competition or race use only.

• Increases boost by approximately 0.5 psi
• High-strength billet aluminum construction
• Precision machined for optimal airflow transition
• Allows for reuse of the factory grid heater
• Manufacturer Part Number: 42732

Fits 2019-2025 Porsche 911 Turbo and Carrera models (992.1 / 992.2).

The do88 performance intake plenum is engineered to replace the factory unit, providing optimized airflow distribution and increased internal volume for the 992-generation flat-six engine. By improving the internal geometry and smoothing the air transition into the runners, this plenum reduces restrictive turbulence and ensures more consistent air delivery to each cylinder bank. It is a vital upgrade for maintaining efficiency and throttle response, especially in high-heat or increased-boost environments.

• Direct replacement for the OEM plenum with precision fitment.
• Enhanced internal volume designed to support higher airflow demands.
• Reduces intake pressure drop for improved volumetric efficiency.
• Retains factory sensor mounting locations for a clean installation.
• Manufacturer Part Number: TR-300-992

The Spectre single inlet air intake plenum (MPN: 9849) provides a low-profile solution for custom air induction setups. Designed for universal fitment, this component installs on carburetors and TBI throttle bodies featuring a standard 5-1/8 inch neck. Standing only 3.5 inches tall, it offers a compact footprint for engine bays with limited hood clearance.

The plenum is manufactured from polished cast aluminum, ensuring a durable, corrosion-resistant finish that maintains its appearance under heat. It features a single 4-inch outside diameter (OD) inlet designed to integrate seamlessly with Spectre 4-inch tubing, filters, and intake accessories. The unit measures 9 inches from the air cleaner mounting stud to the inlet, allowing for flexible routing of cool air into the intake system.

• Inlet Configuration: Single 4-inch outside diameter
• Fitment: Fits 5-1/8 inch carburetor or TBI throttle body necks
• Material: Polished cast aluminum
• Height: 3-1/2 inches
• Length: 9 inches from center stud to inlet
• Part Number: 9849

Optimize your engine's airflow with the GReddy Short Runner Intake Plenum, specifically engineered for the Nissan SR20DET (PS13) engine commonly used in 1989-1994 Nissan 240SX (S13) builds. This high-performance manifold is designed to improve high-RPM efficiency and throttle response by providing a higher-volume, more direct path for intake air compared to the restrictive factory setup.

Constructed from durable cast aluminum, this plenum is designed for a seamless fit with the factory-style throttle body, allowing you to upgrade your intake tract without the need for custom adapters or specialized hardware. It is an essential component for SR20DET owners looking to maximize the potential of their turbocharger system while maintaining a clean, professional engine bay.

• Fits 1989-1994 Nissan 240SX (S13) with SR20DET PS13 engine swaps
• Compatible with factory OEM throttle body
• High-grade cast aluminum construction for heat resistance and durability
• Short runner design optimized for increased top-end power and response
• Manufacturer Part Number: 13522319

Maintain peak performance and vacuum integrity with the FAST LSXR and LSXRT Gen III Intake Manifold Seal Kit (MPN 146017). Designed specifically for FAST performance manifolds, this kit provides a complete set of replacement rubber components essential for a proper install or periodic maintenance.

Over time, heat cycles and fuel exposure can degrade intake seals, leading to performance-robbing vacuum leaks. This kit replaces those worn components with fresh seals that match the exact tolerances of the LSXR and LSXRT runner housings. It is an essential service item when porting, cleaning, or swapping your intake manifold.

• 8 Intake runner-to-cylinder head seals
• New injector O-rings for secure fuel rail sealing
• Lower shell rubber bumpers to prevent vibration and contact wear
• Vacuum port plugs for capping unused ports
• Engineered for FAST LSXR and LSXRT Gen III manifolds