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Description

AMS Performance Alpha Red Billet Intake Manifold with Carbon Fiber Plenums and Aux Fuel Rail (18 Injectors) for R35 Nissan GT-R

Nissan GT-R intake manifold from AMS Performance is the Alpha Carbon Fiber Billet 18-injector unit a fully CNC-machined billet aluminum manifold with hand-laid carbon fiber plenums, finished in red, and upgraded from the 12-injector version to support 18 individual Injector Dynamics injectors across three fuel rails for VR38 builds pushing beyond 2,000 horsepower. The AMS Nissan GT-R intake manifold delivers power gains across the entire power band from the moment the turbos begin to spool, producing higher horsepower and torque than the leading cast aluminum alternatives consistently through the mid-range and all the way to redline, without compromising throttle response or power delivery at any point in the RPM range.

Why the AMS Nissan GT-R Intake Manifold with 18 Injectors?

The 18-injector version of the AMS Nissan GT-R intake manifold is built for GT-R builds that have exceeded the fueling capacity of the standard 12-injector two-rail setup. By adding a third fuel rail supporting an additional 6 injectors, 18 total across both banks, the manifold provides the fuel delivery infrastructure required for VR38 engines capable of generating over 2,000 horsepower. Injector positioning is optimized to improve spray angle, enhancing fuel atomization and combustion efficiency at extreme power levels. The manifold is identical in construction to the 12-injector version: over 30% lighter than the leading cast aluminum manifold, with two meticulously molded and tapered carbon fiber plenums, one per bank, that minimize turbulence and maintain maximum airflow velocity and pressure throughout the power band. Dowel locating pins align the upper and lower runner sections with tight tolerances, eliminating the steps and protrusions that introduce turbulence in competing manifolds. The AMS Nissan GT-R intake manifold has been burst tested to over 150psi and cycle tested through 144,000 repetitions from 0 to 50psi in a high-temperature environment simulating over 20 years of typical GT-R use. No competing Nissan GT-R intake manifold has undergone equivalent testing.

Nissan GT-R Intake Manifold: Construction and Testing

The carbon fiber plenums of the AMS Nissan GT-R intake manifold are hand-laid using aircraft-grade epoxies and carbon fiber layering techniques engineered to meet the strength tolerances of critical aerospace components. The billet aluminum runner sections are CNC-machined and finished in red anodize. As hand-laid motorsport-grade carbon fiber parts, slight imperfections or weave pattern variances are a natural characteristic of the construction method and are to be expected.

Features

Hand-laid motorsport-grade carbon fiber plenums over 30% lighter than leading cast manifold
18-injector aux fuel rail configuration 6 injectors per bank across 3 rails
Supports VR38 builds generating 2,000+ horsepower
Broadband power gains across the entire power band not just top end
Finished in red anodized billet aluminum with carbon fiber plenums
Dowel pin aligned upper and lower runners turbulence-free flow between sections
Dual MAP sensor ports for bank-to-bank boost pressure monitoring
Extra vacuum ports on plenums for ancillary systems
Burst tested to 150psi+; 144,000 pressure cycles at 0-50psi in high-temperature environment
Fits all USDM, JDM, and European R35 GT-R models (LHD and RHD)

What’s Included

Carbon fiber manifold plenums
Billet upper and lower runner sections
Vacuum and boost fitting kit
Adapters for stock throttle bodies
Aux fuel rail for 18 injectors

Applications

Nissan GT-R: CBA-R35, DBA-R35, EBA-R35 | 2008-2025

Notes

Fits all USDM, JDM, and European R35 GT-R models LHD and RHD
18 injectors, injector wiring, and fuel lines are not included and must be custom designed and built
Custom PCV routing is required if the owner wishes to retain PCV functionality
Alpha upper intercooler pipe adapter for current Alpha intercooler piping or full Alpha Induction Kit is required
Stock fuel rails are not compatible. AMS fuel rails only; other third-party fuel rails may work but cannot be guaranteed by AMS.
Hand-laid carbon fiber slight imperfections or weave pattern variances are a natural characteristic of the construction method.
Not available for emissions-controlled vehicles in California or for shipment to California addresses without a completed AMS Race Waiver form. International buyers should comply with local laws and regulations.

Frequently Asked Questions

What is the difference between the 18-injector and 12-injector AMS Nissan GT-R intake manifold? The 18-injector version adds a third fuel rail supporting 6 additional injectors — 18 total across both banks providing the fuel delivery infrastructure for VR38 builds generating over 2,000 horsepower where the 12-injector two-rail setup has reached its fueling limit. The manifold is otherwise identical in construction, plenum design, and performance characteristics.
Are injectors included with the AMS Nissan GT-R intake manifold 18-injector version? No. Injectors, injector wiring, and fuel lines are not included and must be custom designed and built. The manifold is compatible with Injector Dynamics injectors contact AMS for guidance on the correct injector specification for your target power level.
Does the AMS Nissan GT-R intake manifold 18-injector version retain the factory PCV function? Not directly. Custom PCV routing is required if the owner wishes to retain PCV functionality with the 18-injector manifold configuration. The 12-injector version retains PCV function without modification.
Which fuel rails are compatible with the AMS Nissan GT-R intake manifold? AMS fuel rails are the only guaranteed-compatible option. Stock factory fuel rails are not compatible. Other third-party fuel rail kits may work but cannot be guaranteed by AMS.
How does the AMS Nissan GT-R intake manifold improve power across the entire power band? The AMS Nissan GT-R intake manifold uses two meticulously molded and tapered carbon fiber plenums — one per bank — to minimise turbulence and maintain maximum airflow velocity and pressure from the moment the turbos spool through to redline, delivering consistent gains across the full RPM range rather than only at the top end.

About AMS Performance

AMS Performance is an engineering-led manufacturer of high-performance automotive components, founded on principles of integrity and dedicated to extracting maximum performance from turbocharged vehicles. With two decades at the forefront of the industry, AMS combines computer-aided design, CFD analysis, and mechanical engineering expertise from motorsports backgrounds to deliver components proven at the highest level of performance. Their catalog spans turbo kits, intercoolers, intake manifolds, brake systems, charge pipes, and complete turn-key packages for drag racing, road racing, and high-performance street applications.

Additional Information

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Shipping Policy

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BP Pricing Difference

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AMS Performance Red Billet Intake Manifold w/ Carbon Fiber Plenums & Aux Fuel Rail (18 injectors) for R35 Nissan GT-R [ALP.07.08.0101-8]

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