Second airbox baffle? - BMW Forum - BimmerWerkz.com
3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

 
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#1 (permalink) Old 06-05-2004, 04:27 PM
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Taken from Unofficial E36, Debaffled Airbox

The second "baffle" is on the downstream side of the box from where your filter sits. It looks like a large diameter tube molded into the plastic leading to the hose that attaches to the throttle body. I originally took this out, but then put it back several months later. The reason why is I got to examine a Dinan AirBox. The Dinan configuration is very similar to the stock box, but without the intake silencer we just removed. The second "baffle" in the box is retained in the Dinan design. I started thinking about this, and concluded that the second "baffle" really doesn't seem to offer a significant restriction anyway, and besides it might be some sort of "velocity stack" for the air flow. So I put the thing back. But if you want to remove it, here's how.

***Anyone mess with the second baffle on their car? and input about it. I'm just curious.

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'93 325i 5 Speed
-Clutch Stop
-Window Tint
-2 12&quot; MTX subs
-Debaffled Airbox
-16&quot; Double Spoke Rims
-OEM Clear Corners and Tails
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#2 (permalink) Old 06-05-2004, 06:42 PM
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When you debaffle your air box the intake becomes shorter. This means a decrease of torque at the lower and an increase of power at higher rpm's. I think nobody wants this!!?

When you like a sporty sound, debaffle it!

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