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great video well documented. I'm about to do the same on my 996 C4S with a 997 air box installed
Thank you. Exposed filters look pretty cool, but OEM box is the most efficient way to get cooler air to engine. It was well designed.
@autohype_usa Yes I agree. Porsche know best so why change it!
Looking at doing this upgrade for my 997.2, appreciate the comparisons and showing the installation method.
Definitely worth the $150 investment
With the mufflers deleted and the turbo rear bumper your engine bay temps should drop to where the engine bay fan rarely if ever comes on
That’s a good point 👍🏽
Where did you buy the intake elbow and plug?
topspeedauto.com/porsche-996-997-carrera-c2-c4-non-turbo-upgrade-air-intake-box-hose-kit-in-various-colors/
After that all you can do is cut out weight i put in the titanium exhaust best part of 20 kg gone
I did a muffler delete so I saved a lot of weight too.
Do you do any test for sound difference from the filter alone?
I just gauged it from my observance. There is noticeably a deeper growl above 3500 RPM.
The sound and a wee bit more tork in 3rd
This is one of those instances where the sound in person is a lot better than recorded in a video.
Got too put in GT3 throttle
I was thinking of the IPD plenum paired with a GT3 throttle body combo, but have been getting mixed reviews on them. We'll see...
They sound the same to me
Celica?
Yes! Got the coupe instead of the lift back.
waste of time and money - nice clean air filter will do the same, there will be noise increase. The money wasted getting more power from NA 997 is astonemical.
great video well documented. I'm about to do the same on my 996 C4S with a 997 air box installed
Thank you. Exposed filters look pretty cool, but OEM box is the most efficient way to get cooler air to engine. It was well designed.
@autohype_usa Yes I agree. Porsche know best so why change it!
Looking at doing this upgrade for my 997.2, appreciate the comparisons and showing the installation method.
Definitely worth the $150 investment
With the mufflers deleted and the turbo rear bumper your engine bay temps should drop to where the engine bay fan rarely if ever comes on
That’s a good point 👍🏽
Where did you buy the intake elbow and plug?
topspeedauto.com/porsche-996-997-carrera-c2-c4-non-turbo-upgrade-air-intake-box-hose-kit-in-various-colors/
After that all you can do is cut out weight i put in the titanium exhaust best part of 20 kg gone
I did a muffler delete so I saved a lot of weight too.
Do you do any test for sound difference from the filter alone?
I just gauged it from my observance. There is noticeably a deeper growl above 3500 RPM.
The sound and a wee bit more tork in 3rd
This is one of those instances where the sound in person is a lot better than recorded in a video.
Got too put in GT3 throttle
I was thinking of the IPD plenum paired with a GT3 throttle body combo, but have been getting mixed reviews on them. We'll see...
They sound the same to me
Celica?
Yes! Got the coupe instead of the lift back.
waste of time and money - nice clean air filter will do the same, there will be noise increase. The money wasted getting more power from NA 997 is astonemical.