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208 GTI - Technical Analysis - Intake temperatures - Comparison - Heat shield - We tell you everything!

Updated: Feb 28


1 / Temperature delta between the original intake and the GT’Intake® intake


The inlet temperatures are too high with the original exchanger, undersized and poorly placed, readable on our logs. On the other hand, our system does not deteriorate the situation compared to the original with a temperature at the breaker of 78° (just after the breaker, there is a peak at 84° for the original intake and 81° for the ours).

We can therefore see that the GT'intake kit® does not aggravate the phenomenon of heat gain. It takes air from the same place as the original and drastically reduces the length of the intake circuit. (The air no longer has time to heat up throughout its journey through the original intake)

The higher temperature at the start is due to the temperature difference during the different passages on the bench (+3° Exterior during the 2nd passage with our kit)


External temperature when passing to the original admission bench : 31°c

External temperature when passing through the intake bench GT’Intake : 34°c


2 / Reminder of the importance of the interchange on 208 GTI

First of all, an important point that must be remembered : the original exchanger !

In addition to being too small, it is particularly poorly placed, behind the front shock absorber, on the side, with just 20% of its surface supplied directly with air. This is why a large number of owners have installed a more efficient exchanger

(besides, the 207 LW from Peugeot Sport has doubled the volume of the exchanger for circuit events, proof that it is already undersized for the THP 175hp while the bumper is more ventilated) ->

We can only confirm that changing the original exchanger with a more efficient one is a necessary operation for your GTI even without reprogramming.


3 / 208 GTI heat shield

 

The purpose of the protective plate heat shield is to reduce the inlet temperature with our assembly. However, our tests have confirmed that complete partitioning such as dynamic intake causes a loss in performance with an impact on the turbo pressure and on the MAF (MAF = Mass Air Flow: Quantity of air sucked in by the turbo, calculated by the flow meter expressed in Gram/Second)


Our assembly is the best compromise for maintaining the intake gain while reducing the intake temperature.




External temperature during road tests: 14°C

The plate plays its role with a temperature 9°C lower during full acceleration in fourth gear.


We can expect an even more significant gain as our heat shields undergo anodizing/oxidation treatment at the end of production to ensure increased heat resistance and good resistance over time!



Comparison between the scoop assembly + large volume intake pipe and our direct intake :

 (Tests carried out without heat shield)

[208 GTI THP 200hp with exchanger, line, forge manifold and scoop without reprogramming]

A few weeks ago, we tested a 208 GTI 200 which was equipped with everything needed for a stage 2 but without the mapping (see details at the bottom of the page)

We can see on the curve that our system completely releases the high revs. The gain with a better exchanger is obvious.

The gain is mainly above 4700 rpm, allowing a gain in performance but also in engine character with a very sporty increase in revs. Admission GTintake®_11100000-0000-0000- 0000-000000000111_gives the THP 200 a more aggressive sound and significantly increases performance!

 

On a circuit or on a mountain road, the gain of 500 rpm is a significant plus for keeping the engine in the best possible rev range.

Analysis of the transition to the THP 200/208 bench with Flowmeter

Red Curve: 3D printing scoop system + Large redox volume intake hoseBlue Curve: GTintake Admission

As always, we offer you an in-depth analysis of our curves.

To begin, a quick reminder of the configuration of the 208 GTI 200cv, more truly original :

208 GTI 200hp from 2013 / 118,000km

Decatalyzed and complete line in 63.5mm, Airtec V2 exchanger, forge aluminum tubing, 308 GTi dump valve, flexeo butterfly hose, vacuum reserve removed, 207LW wastegate adjustment, 207RC solenoid valve, 3D printed intake scoop, exhaust hose Redox admission, original mapping.


The bench runs take place at 37 minute intervals, which is a little short for the auto-adaptors to optimize all the parameters but sufficient to make comparisons.

Passage temperature of 21°C and bench resistance force at 600Nm

 

At low speed (2000 to 3500 rpm):

Intake noise very present at high load in suction mode. The lag is much less present because the circuit is shorter but there will be little or no power gain once the adaptive autos are finalized.

 

At mid speed (3500 to 5000 rpm) :

The intake noise becomes harsher. From 4500 rpm, the two curves begin to separate significantly. The intake allows the engine to not have to undergo the constraints of the long intake circuit. The slope of the curve no longer flattens.

 

At high speed (5000 to 6500 rpm) :

The maximum gain from our admission is in this zone, where the THP is usually least comfortable. We can see on the curve the power dip after 5500 rpm despite the scoop and the redox hose. Our system allows you to continue to gain power up to 6000 rpm. In sporty driving, the result is that you can shift gears later and therefore drop back to a better rev to gain performance.

 

In conclusion :

The gain is mainly above 4700 rpm, allowing a gain in performance but also in engine character with a very sporty increase in revs. The GTintake intake gives the THP 200 a more aggressive sound and helps increase performance in the revs. On a circuit or on a mountain road, the gain of 500 rpm is a significant plus to keep the engine in the best possible range.


The heat shield plate is tailor-made for 208 GTI 200hp and 208 hp!


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