Integrated Engineering 2.5L Intake Manifold (06-09 Rabbit, 10-14 Golf, 05-14 Jetta)

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SKU: 110142

Product Details


Unlock your 5 cylinder engine's full power potential! The industry leading IE 2.5L Intake Manifold provides power gains of over 48HP when coupled with IE Stage 2 manifold software.

Bring your 2.5L 5 cylinder VW engine to life with the Integrated Engineering cast intake manifold. The factory 2.5L 5 cylinder intake manifold is designed to channel air into the engine sufficiently well to meet the original horsepower targets, while being cost effective and easy to install. This compromise means that there is room for significant improvement. 

The IE performance manifold has been designed from the bottom up to put performance first. IE engineers exploit careful tuning of the intake manifold runner lengths and diameters to create a resonance effect which rams more air into the cylinders. The plenum and runner designs have been carefully optimized with computer software for maximum flow, allowing your engine to breathe easier and perform at its best.

Easy Install With Factory-Like Fitment

The Integrated Engineering 2.5L ultimate power kit has been carefully designed to fit 07K engines while retaining all of your factory components. Through extensive research and development, this intake manifold fits with no modifications to the engine bay, vacuum system, emissions systems, fuel system, or coolant system. With the plenum being larger than factory, the throttle body placement is moved a small amount, which is easily plumbed to your mass air flow sensor using the included 2.5L manifold air intake kit.

Increased Plenum Volume

This plenum on this manifold has been generously sized and shaped to distribute airflow as evenly as possible to all 5 cylinders. The increased internal volume is a massive improvement over the factory piece and ensures a steady supply of air for the engine.

Flow Tuned Runner Design

By using a cast aluminum construction manifold, our engineers are able to properly size and shape the manifold runners and velocity stacks for optimal performance. This runner flow and resonance tuning is a huge contributor to the over-all performance of the intake manifold, and is not possible to achieve on hand welded manifolds generally available for this platform. Featuring aggressively sized runners that have been optimally tuned for large power increases throughout the mid-high RPM band. Our engineers employ CFD software to research and develop an optimized runner and bellmouth design, after many revisions to the design they have achieved the best runner shape, size, and velocity stack for the 2.5L application.

Engineering Process

Unlike other manifolds on the market that are simply welded and made to fit on the car, IE's performance intake manifolds receive special treatment from start to finish. Our engineering department looks at each specific application and designs an intake manifold with a properly sized runner and plenum. Then we begin a series of prototyping and testing countless revisions to the design to ensure optimum performance.

Our engineers use Computational Fluid Dynamics (CFD) software to optimize the runner and velocity stack (bellmouth) system for proper resonance tuning and airflow. Unlike competitor manifolds, we use this process on each manifold to design the application-specific runner system to maximize airflow delivery to the cylinders.

Once the manifold has been designed and flow has been optimized, the 3D models head over to our 3D printing studio to manufacture the initial prototype. The 3D printed manifold is fastened onto our in-house engine dynamometer and in-house chassis dynamometer for testing. To validate the plenum, runner, and bellmouth design, we test each revision in a controlled environment. Once all testing data has been collected, it is analyzed and used to determine if changes are necessary before going to production.

Fitment Notes

  • This intake is designed to fit when coupled with the IE 2.5L intake manifold only.
  • If your vehicle does not a secondary air injection pump from factory, you will have to cut and plug the SAI tube on the bottom of the intake pipe using a 1" plug.
Product Features

  • Performance design delivers a massive 48.2BHP gain
  • Optimized bellmouth inlets create maximum power
  • Power and torque throughout the entire RPM range
  • Designed for use with NA and turbo applications
  • 100% engineered, tested, cast, and machined in the USA

Fitment Guide

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Fitment Guide

Fitment Guide

Start Year End Year Make Model Submodel Cyl Lit Fuel FuelDel ASP EngDesg Notes
2010 2014 VOLKSWAGEN GOLF BASE L5 2.5 GAS FI NA ALL Only fits with manual transmission vehicles equipped with electric power steering. 
2005 2010 VOLKSWAGEN JETTA 2.5
L5 2.5 GAS FI NA ALL Only fits with manual transmission vehicles equipped with electric power steering. 
L5 2.5 GAS FI NA ALL Only fits with manual transmission vehicles equipped with electric power steering. 
L5 2.5 GAS FI NA ALL Only fits with manual transmission vehicles equipped with electric power steering. 
L5 2.5 GAS FI NA ALL Only fits with manual transmission vehicles equipped with electric power steering. 

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