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Airbox Modifications....

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Is there an equivalent "muffler" builtin to the 996 airbox that I can just remove like the desnorking on the boxster to increase the intake noise without buying a whole cold-air kit.

Has anyone done this or have they just gone the cold-air kit route. I will eventually get a coldair kit, but wanted to drive around for a month or two to see if the intake noise is too much at higher RPM.



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Yes - you can easily see where off the main inlet duct (Large rubber hose connected to the Airbox/Maf/Intake manifold) there is a smaller hose (about 50mm diameter) which tees off the main tract and connects to the top of the airbox.

This is connected to the airbox cavity which helps to muffle out any intake noise.

I have blocked this path with a tapered rubber plug but found that the intake noise is not at all that loud. Note that my car has the PSE fitted which tends to drown any intake sounds when hitting 4-5K+ RPMs.

It is an easy/cheap mod to try out.

Check out this thread for more info regarding the mod: http://www.renntech.org/forums/index.php?s...c=811&hl=orange

Edited by ZX7R
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