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DesignTek® revisited the 996 Turbo to see how we could make more bolt on performance. Opening up the air flow of the intercooler pipe system is one way we achieved this on the 997TT. So DesignTek® set out to build a OEM replacement 3inch Y-Pipe that would work with the stock intercooler fittings and throttle body. To begin the process, we got one of our customers modified 996 TT to the shop. This car was already equipped with upgraded turbos and all the trimmings to go along with it. What it did have is stock GT2 intercoolers and a stock throttle body and plenum. The development process was simple… Build a product that would retain the stock air box, flow better, use OEM parts, and look the part! The manufactures started to make the product on the car using 6061 aluminum and basically building each piece on the vehicle. Once completed, we had a finished part that was then powder coated and ready for testing. Since there was no additional length added to the system compared to stock, we decided not to pressure drop test the system because of the complexity. Pressure drop is usually a concern on cars such as the STI when you go from the factory top mount intercooler to a front mount intercooler adding feet of intercooler piping. Based upon the dyno results, the cars spool did not change.

Using a Mustang all wheel drive dyno, this car came to us with a tank of 91 octane and low boost set at 1.2bar. With fans moving fresh air to the intercoolers, we did a baseline on the car and achieved a starting point of 493whp and 477ft/lbs of torque. Leaving the car strapped to the dyno, we removed the stock Y-Pipe and bolted on the fresh red DesignTek® upgrade connecting to the F-Hose. The new Y-Pipe gets rid of 70% of the stock boost hose length and reduces the bend by about 45 degrees for a straight shot to the intercooler. For those running stock style intercoolers, a reducing coupler is supplied with a shorter fitting to clip into the intercooler end. For those customers wanting maximum efficiency, we supply a 3inch piece of aluminum and a coupler to be welded to aftermarket end tanks. With everything secured in place, we fired up the car to give it a run with the new Y-Pipe. With absolutely NO changes to the cars configuration, the Y-Pipe added 21whp and 24ft/lbs of torque to the car. This was quite an impressive bolt on gain that also added style and potential scalable performance to the car.

This part fits all 2001-2005 Porsche 996 Turbo, X50, and GT2.

Fits:
Porsche 996 Turbo and GT2.

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Some drivers don’t believe in aftermarket air intakes and think that what Porsche created for the 996 Turbo is truly the best? DesignTek® has developed the ultimate air intake system for the new age Porsche 996 Turbo owner. We introduce the DesignTek® Dual Flow Air Intake Kit for the Porsche 996TT. The intake will fit on the standard 996TT and X50 rear deck lids. Others such as the GT2 deck lid may require modifications. This air intake uses the factory OEM back half of the intake box which includes the fault free OEM MAF tube. What we have done is beefed up the front cover with a full composite unit which is designed to intake more air volume which is then traversed over the flat panel air filter. The biggest improvement of this box is the dual snorkel. We have built a composite intake scoop which mounts on the bottom of the left side of the engine deck lid. This scoop takes the airflow from the vented deck lid and pushes it through the snorkel piece and down into the stock air box. The purpose of this design is to increase air flow to the factory filter.

In high speed or racing conditions, the intake needs to be able to get as much air as possible to keep these turbo’s working efficient. This dual snorkel unit combined with our updated OEM box cover and a K&N/ Bmc or DesignTek® flat panel air filter does wonders for your overall vehicle performance. Included with the intake kit are foam strips for a precise air tight seal from the snorkel to the box. The intake kit does not include the aftermarket drop in filter. Any of the OEM replacement filters will work with this box.

Brand: DesignTek

Fits:
Porsche 996 Turbo and GT2

Two options Matt Black or Carbon fibre Finish

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DesignTek has just given Porsche 996TT owners another way to get an easy 20 bolt-on horsepower with this new BIG MOUTH plenum and throttle body kit. DesignTek set out to engineer and design a plenum that was functional, did not require additional tuning, and simply... made power! The plenum is 6061 aluminum that retains the same shape as the factory T Pipe. The reason to keep a standard T shape is that the engine works off of pulses. Just like how Porsche designed, DesignTek kept this design and simply improved the restriction, the throttle body. The factory throttle body inlet size is 76mm that then jumps up to a 78mm ID plastic plenum. DesignTek has chosen to use a 78mm Cayenne Turbo throttle body which bolts on and fits to the stock Y Pipe. The plenum now keeps a 78mm ID throughout the system. The T shape plenum features all the necessary vacuum and breather hose ports as stock for a true bolt on application. Each plenum features a CNC machined throttle body flange that includes the necessary recessed gasket for a sealed fit. The complete T plenum is TIG welded and then powdercoated gloss black inside and out for a smooth and stealth finish.

As tested on a 2001 Porsche 996 Turbo, this plenum achieved an impressive gain throughout the entire powerband with a peak gain of 20whp and 20ft/lbs of torque. Based upon the dyno graph, the power increase began at the dyno test start of 2500rpm and pulled all the way to the finish of 6500rpm. This kit includes both the plenum and Porsche OEM throttle body to be used on all Porsche 996 Turbo, X50, or GT2 from 2001-2005.

Fits:
Porsche 996 Turbo and GT2

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Turbo Charger Actuators (set of 2) for Porsche 996 Turbo / 996 GT2

These replacement actuators utilise the latest piston design to irradicate the failures often associated with diaphragm actuators and are supplied complete with brackets ready to install.

This product is assembled with springs suitable for at or slightly above factory boost levels. Additional springs are required for tuning to custom boost levels. Please contact us for advice on your application.


Fit:
Porsche 996 Turbo
Porsche 996 GT2

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Units listed are direct replacement Upgrade for the standard KKK K16 Turbochargers.

Part No. 5316-970-6727 – Porsche Part No. 99612301474. R/H
Part No. 5316-970-6726 – Porsche Part No. 99612301374. L/H

STAGE 1 UPGRADE

High flow GT series 6 blade compressor wheel - CNC re-profiled compressor housing - 360 degree thrust bearing – left & right hand thread shaft & wheel, twin high temperature exhaust piston ring seals fitted.

These turbos are a direct installation in replacement of your factory turbos. K24 turbos are much larger then the factory K16 turbos found on the standard 996TT. The K24 Turbos can handle over 550 crank horsepower. Unlike most turbos on other vehicles, you will not sacrifice low end horsepower or torque, however gain a larger amount in the mid range and top end.

Approx achievable output - 550-600 bhp with the correct ECU re-map
These set should only be fitted by engine builders or tuners as other performance parts may be required

The prices listed are for turbo chargers supplied on an exchange basis. Your Turbo charger must be a serviceable unit. If required on an out right purchase (if you have no old unit available), please ask for quotation.

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Units listed are direct replacements for the standard KKK K16 Turbochargers.

Part No. 5316-970-6727 – Porsche Part No. 99612301474. R/H
Part No. 5316-970-6726 – Porsche Part No. 99612301374. L/H

STAGE 2 UPGRADE

These turbos are a direct installation in replacement of your factory turbos. K24 turbos are much larger then the factory K16 turbos found on the standard 996TT. The K24 Turbos can handle over 550 crank horsepower. Unlike most turbos on other vehicles, you will not sacrifice low end horsepower or torque, however gain a larger amount in the mid range and top end.

High flow Spec 5 blade compressor wheel - CNC re-profiled compressor housing – 360 degree thrust bearing – left & right hand thread shaft & wheel with cut back blades– twin high temperature exhaust piston ring seals fitted.

The prices listed are for turbo chargers supplied on an exchange basis. Your Turbo charger must be a serviceable unit. If required on an out right purchase (if you have no old unit available), please ask for quotation.

Approx achievable output - 650-700 bhp with the correct ECU re-map
These set should only be fitted by engine builders or tuners as other performance parts may be required

The prices listed are for turbo chargers supplied on an exchange basis. Your Turbo charger must be a serviceable unit. If required on an out right purchase (if you have no old unit available), please ask for quotation.

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Porsche 996 GT2 - 3.6 Twin Turbo 2000->
Units listed are direct the standard KKK K24 Turbochargers,

Part No. 5324-970-7005 – Porsche Part No. 99612398371. L/H
Part No. 5324-970-7006 – Porsche Part No. 99612398471. R/H

STAGE 1 Hybrid

These hybrid turbos are a direct installation in replacement of your factory turbos. Much larger then the factory GT2 turbos found on the standard 996 GT2. The K24 Turbos can handle over 700 crank horsepower. Unlike most turbos on other vehicles, you will not sacrifice low end horsepower or torque, however gain a larger amount in the mid range and top end.

High flow Spec 5 blade compressor wheel - CNC re-profiled compressor housing – 360 degree thrust bearing – left & right hand thread shaft & wheel with cut back blades– twin high temperature exhaust piston ring seals fitted.

The prices listed are for turbo chargers supplied on an exchange basis. Your Turbo charger must be a serviceable unit. If required on an out right purchase (if you have no old unit available), please ask for quotation.

Approx achievable output - 650-700 bhp with the correct ECU re-map
These set should only be fitted by engine builders or tuners as other performance parts may be required

The prices listed are for turbo chargers supplied on an exchange basis. Your Turbo charger must be a serviceable unit. If required on an out right purchase (if you have no old unit available), please ask for quotation.

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Units listed are direct replacement for the standard KKK K16 Turbochargers.

Part No. 5316-970-6727 – Porsche Part No. 99612301474. R/H
Part No. 5316-970-6726 – Porsche Part No. 99612301374. L/H

REPLACEMENT

These turbos are a direct installation in replacement of your factory turbos.

Fit:
Porsche 996 Turbo

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Porsche 996 GT2 - 3.6 Twin Turbo 2000->
Units listed are direct replacements for the standard KKK K24 Turbochargers,

Part No. 5324-970-7005 – Porsche Part No. 99612398371. L/H
Part No. 5324-970-7006 – Porsche Part No. 99612398471. R/H

REPLACEMENT

These turbos are a direct replacement for your factory turbos.

Fits:
Porsche 996 GT2