Magnus V3 Cast Aluminum Intake Manifold for 1G DSM and VR4

$1,100.00$1,920.00

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Description

Available in standard configuration as well as in RWD format! For those of you running an OE throttle body, select the 90mm Option and an adapter flange will accompany your intake!


History

If you’ve been around long enough, you remember when Magnus brought affordable 4 cylinder intake manifolds to the mass market. That was 17 years ago. From our humble beginnings of hacking up and reworking stock manifolds, to our signature tapered plenum sheet metal offerings, our designs continue to be improved and refined. Since our first designs, we have constantly pushed the envelope of 4 cylinder engine technology, particularly intake manifold design, to performance levels we never dreamed would be possible when we first started down this road. The latest generation sheet metal Magnus intake manifold is on its 8th revision, and each change performed better than the previous version. How did we do it? Through constant research, advanced airflow studies, reinvestment in new technologies, and most of all, through racing. We race what we sell, we sell what we race – and our stuff wins. We don’t just videotape our test runs, we compete at the highest levels of motorsports where “second best” isn’t good enough to take home the win.


Improving ‘The Original’

Magnus broke new ground with our revolutionary cast EVO V5 manifold. Casting allows subtle changes to the interior profile of the manifold nearly impossible to duplicate with a welded-up manifold – subtle changes that make huge differences to the way the air flows through the manifold. The Magnus EVO V5 rewrote the rules for making big power on the EVO platform.

No sooner did we release the EVO V5 than customers started demanding a version for 1G DSMs. We listened. We took what we learned from the development of the EVO V5 and applied those lessons to the 1G DSM. The results will astound you.


The Goals

The genesis of this project was as a design exercise to extract even more power from the world’s most powerful Mitsubishi Eclipse. Magnus is proud to be the engine builder for Brent Rau’s Eclipse, which has been smashing records since 2006 as the first 6 second, 4 cylinder door slammer. Brent’s Magnus powered machine develops an estimated 1500hp depending on which configuration he is running, and it is has proven time and time again to be the fastest 4 cylinder drag motor in the world. Maxing out the turbocharger at 96psi – that’s not a typo, that’s ninety-six PSI of boost, we decided to see if there was any way to make more power through an intake manifold redesign.


Research + Development

Using the EVO V5 intake manifold as a starting point, we used advanced airflow design technology to match the intake manifold to the 1G DSM head. The 1G cylinder head has unusually large intake ports, originally designed to support a variable runner length inlet manifold design used for a short time in the early 1990s. Conventional wisdom holds that these ports are too big, yet numerous tests and comparisons through our research have proved quite the opposite if you are trying to make big power. The large ports are well suited to the flow requirements of the increased mass and density of the air charge needed to achieve in excess of 1000 horsepower. High horsepower cars require a large volume of fuel (especially in alcohol applications) and the oversize ports in the 1G allow superior inertial supercharging effects. The increased popularity of alcohol in the last few years constantly steered us in the direction of the fat 1G ports. If you want to build the world’s baddest 4G63 motor, all the numbers and the evidence gained through years of racing points in the direction of the 1G head.

With that being the case, the intake manifold needs to be optimized to feed these flow-hungry ports. Using advanced computer modeling techniques and after 7 iterations, we finally achieved the design we were looking for. From 20 PSI to 100 PSI. and from 40 lbs of airflow to 160lbs of airflow, the new 1G V3 cast manifold has equal flow distribution within 1 percent in each cylinder. That’s something none of the competition can even approach. In addition to unmatched flow distribution, the 1G V3 manifold offers reduced restriction and increased flow compared to all our previous designs.


Features

  • 2 years of research and development
  • Cast from A356-T6 Aluminum Alloy
  • High quality casting gives a superior surface finish
  • Enhanced flow dynamics utilizing CAD Modeling & CFD simulation
  • Flow benched and dynamically tested
  • Dyno tested proven up to 50 HP
  • Ability to flow 100 lb/min (1000 HP) of air at 60PSI while maintaining equal flow distribution
  • Can be installed in stock location with clearance for original battery (with adapter)
  • Install kits are optional and can be purchased to include heat barrier gaskets, and adapter plate to run stock throttle bodies (easily upgradeable). Remote map sensor boss is optional for use with factory ECU’s
  • Stock turbo gains up to 40 HP
  • 15 degree entry to the throttle body facilitates intercooler plumbing
  • Can be configured for 8 injector setup.
  • Fits factory fuel rail or Magnus high flow Fuel Rails
  • 5L plenum with contoured velocity stacks molded into the floor for huge top end and minimal turbulence
  • Magnus Quality and Lifetime Warrant

Part #

  • MMCINT1012A
  • RWD MMCINT1012B

 

Additional information

Weight 13 lbs
Dimensions 22 × 12 × 10 in
Number of injectors

4 injector, 8 injector (weld on fuel rail bosses and 4 inj fuel rail, 12 injector (weld on fuel rail bosses and 8 inj fuel rail)

Drivetrain

FWD/AWD 1G or VR4, RWD 1G or VR4

Throttle Body

Ford 90mm Flange, Stock TB Flange +$45

Powdercoat:

Raw Aluminum, Wrinkle Black + $250

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