Originally posted by DepthPatrol
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Eventuri Hybrid Airbox
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Yea it was a painful one. I didn’t know it was down there when removing the old airbox so I stretched it pretty good u til I noticed the pull, then reached under to unclip and probably compromised the plastic at that point. New one I took a while to get it installed with no airbox in there and then clipped into the carbon box before putting throttle bodies to the box so it had a little bit or rear tilt to allow me to blindly get it plugged in. Pretty rough took me 30 minutes. Glad I did it though.Originally posted by BL92 View Post
What was your method for that hose? Did you reach in and unclip it from inside the old air box? I pinched the tabs while pressing down. It’s a tricky one to get back in too — you have to reach in from the front with the box lifted and snap it in
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my experience with the Karb OE box is that it better replicates the CSL notes with the OE air filter box, at least on the Zed.Originally posted by jylee05 View PostApologies for the delay; here is a quick picture I snapped.
Overall, driveability is as smooth as OEM which is a huge factor for me. I had the Karb csl style airbox previously installed and ultimately had to swap it back out because I never dialed it in right for city / low RPM driving.
From a sound perspective, the note is fuller than the intake alone. I would analogize it as 1) eventuri intake - trumpet; 2) hybrid airbox trombone; 3) karbonius csl style airbox tuba.
The Karb definitely has more bass resonance at lower rpm 3-4k / and wails equally as loud at 6-8k rpm with slightly lower tone. However, it always felt and sounded a bit gimmicky to me since I didn’t have the rest of the exhaust done.
The hybrid does a good job of giving a bit more fullness due to the carbon resonance while still feeling very OEM+. My guess is the Karb OEM box sounds similar. This package aesthetically looks more uniform and complete.
Happy driving!
the Eventuri filter has its own sound quality, and is present even with the carbon manifold, the IG videos hide that, is a higher pitch sound v the deeper note that is the result of that massive opening.
i am still attracted to the idea the MAF setup, but love the CSL sound more lol.
hopefully someone local buys one for a side by side comparison.
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That's awesome! Thanks for the info.Originally posted by DepthPatrol View Post
The airbox has a nice bracket that clamps it and holds snug with pressure around the dipstick and a foam cushion so it does’t slap around.2006 E46 M3 Interlagos Blue ZCP SlicktopBuild Thread: https://nam3forum.com/forums/forum/m...6-m3-ownership
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