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Otaku Garage Billet Intake Manifold/ Forward Facing Plenum RB25DET Spec 1 / 2 / NEO

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Availability: 3-6 Weeks

Excl. VAT: £549.99 Incl. VAT: £659.99

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Excl. VAT: £549.99 Incl. VAT: £659.99
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Product Description


OTAKU GARAGE set out to find a manufacturer that could produce a high quality manifold with CNC alloy, a big enough plenum chamber, designed correctly so no cylinders lean out & high quality craftsmanship with the welding & assembling etc. they successfully found one & started producing these manifolds & have started selling them to the public.

**Please Note Delivery can take upto 4-8 weeks** 

This Intake Manifold Kit Includes:

  • Billet CNC Aluminium Manifold (Suit RB25, RB25DET, Series 1, 2 or NEO)
  • 90mm or 80mm Throttle Body
  • Dual Feed Fuel Rail (Suit Top Feed 14mm Full Length Injectors)
  • IACV Port & Vac Line Ports
  • Water Line Kit
  • 12 Months Warranty

Otaku manifolds have been flow tested & compared to other manifolds on the market. The manifolds passed pressure testing at 50 PSI with no issues or problems & flow test results proved that these manifolds flow much better at an average flow of 2950 feet per minute  compared to the GReddy manifold which has a average flow of 2790 feet per minute.

Otaku Garage also know that personalising your engine bay is something everyone is passionate about so we have the option of anodising them Black or you can still have the normal alloy finish.

These manifolds are made to order & tested before being sent out to make sure you are getting the best quality. Because of this procedure we have in place your manifold expected delivery is within 4-8 weeks after placing your order & payment is cleared. During times of the year that surround public holidays or celebrations (Christmas, New Year, Easter, etc.) there may be a further delay on this.

This manifold is an aftermarket performance product & while it will bolt directly to the factory manifold mounting studs, it will require supporting modifications to install. Some examples of these modifications (but not exclusive to, as every application can be different) are moving, blocking, or re-routing some of the factory coolant hoses & vacuum lines. Installing an oil filter relocation kit (if you plan to run the factory IACV), throttle cable made to suit your application, Using top feed 14mm o-ring sealed full length injectors. This product should be installed by an experienced & fully qualified mechanic.

This manifold is made with aluminium & due to the nature of the material it can sometimes have imperfections in the finish. Heat marks from welding (which is a sign of good penetration) & light scratching/ machining marks. For the best finish we recommend the black anodising as the silver anodising is a clear one & can sometimes make these machining marks more obvious.

**Throttle Position Sensor**
These manifolds are suited for a series 1 RB25 TPS  to bolt directly up the the throttle body.

If you have a RB25DE they were made with 2 different kinds of head stud patterns. Some were the same as the RB20DET others were the same as the RB25DET. Before purchasing this for your RB25DE, check which head you have.


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