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YOUR RESEARCHCold air intake - Modded for £3.40
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Replace + great grunt togeather
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Suggestion · Original poster
Rally car sound in every gear change + great grunt togeather with my exhaust roar!
Leading evidence: 'Replace + great grunt togeather' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Replace + great grunt togeather' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Suggestion · Original poster
Therefore the benefits of replacing the original paper filter with BMC cotton air filter, produced using the same technology and materials as the F1 air filters, are evident.
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Suggestion · Original poster
Instead of "caping things off" i decided to kill two birds with one stone and use the tank connector and cap combined.
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Suggestion · Original poster
Therefore the benefits of replacing the original paper filter with BMC cotton air filter, produced using the same technology and materials as the F1 air filters, are evident.
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5 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
911uk: 1 discussions
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After alot of research and materials and some great help from GT4, i decided to try it out.
Instead of "caping things off" i decided to kill two birds with one stone and use the tank connector and cap combined.
This is what i mean.
Normally, a 40mm tank connector with a blank plug is installed. Then a seperate blank nut to shut off air supply to the silencer box, aswell as blanking off the Y tube.
However, i modified the tank connector to accept an internal cap and clamp the Y tube onto this, so its not flopping about. I managed to get it right down inside, and clamp it on, so it looks like it's untouched.
So, the y tube is not modded, only the tank connector is. When the Y tube gets crushed onto my tank connector (replacing the silencer ) if forms a tight connection, stopping all air flow.
The result?
Rally car sound in every gear change + great grunt togeather with my exhaust roar!
Togeather with my insane tuned exhaust :grin: and the modded cold air intake system, low and behold.
Youtube Embed added by MOD, please read FAQ in members lounge
:thumbs:
My only concern with that route is there is still a slight cul-de-sac spur on the Y-pipe.
In theory standing waves/venturi resonance occurs.
This may sound nicer or not, I do not know, but ideally a smooth silicone style pipe should be fitted for aerodynamic efficiency of the intake air.
But any performance modification from this mod (positive or negative) is negligible.
A new panel filter may be beneficial though.
I think the retention of the factory airbox route was a smart move, rather than removal and fitment of a K&N etc airbox.
The cone based systems are not closed systems, so RAM air effect (positive intake pressure) would be lost for those of us with fixed spoilers and intake scoops.
Yeah, agreed. I am actually on my way out now to get a special cap, so i can place in the top end of the "Y" pipe so its one nice smooth ride down t the airbox.
I am going to buy the new filter from design911 too to place inside my airbox for optimal performance/sound.
BMC BMC Air Filter for Porsche 996 / 997
BMC air filters are designed and produced to ensure a higher air flow than original paper filters. In F1, for example, BMC cotton filters minimize the loss of air flow pressure passing through the air filter; this way ensures the best conditions for full exploitation of maximum power. Therefore the benefits of replacing the original paper filter with BMC cotton air filter, produced using the same technology and materials as the F1 air filters, are evident.
Also, what do you think of the Ram System Vortex Generator from design 911, you think it will do much good ?
I got my mate to take it for a spin around the area so i can listen to it. Man, i could hear it echoing around the streets, "GRUUUUM!!! HISSSS, (2ND) GRRRUUUUUUUUUM HISSS! (3RD).. it was epic! :sing:
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