Originally posted by Sharocks
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S54 Intake Sound Question/Debate
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2005 BMW M3 (6MT) Instagram
2021 BMW M340i
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I have the haimus box and it is worth every penny. WOT high in the rev range with the windows down is unbeatable. I have catless headers and an el diablo exhaust with catted section 1 as well. Not a terribly loud exhaust set up, but not quiet. I don't feel like it interferes with the intake sound too much.
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Originally posted by eforty6_m3 View Post
With all due respect, I'm not sure I agree. I have a custom rear section and a Karbonious airbox and I can absolutely hear the gloriously intoxicating sound emanating from both ends (see what I did there), sooo.... 🤷♂️
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2002 E46 M3 TiAg Coupé >> full tracktool conversion @m346gt
2000 986 Boxster S >> ice cream getter
Past: E46 330Ci, 944S2, 996 C4S
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+1 on the CSL intake. I had the Karbonius CSL intake on my car and loved every minute of it! Will be up for sale as soon as I’m allowed to and will come with install kit! 🤙🏻
edit: I’ll also add that the CSL intake is definitely loud, even with a head to section 3 exhaust. The difference in intake vs exhaust sound was very clear to me.Last edited by Notan_S54; 03-16-2024, 03:00 PM.
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+1 on the CSL intake as well. Had an exhaust prior to install and thought to myself the intake wasn't as loud as I'd hoped. Then I went stock muffler (with high flow cats in section 1) and entire experience changed i.e. dial got turned to 11.| 06 6 Speed Vert - JB on Cinnamon| Beisan | ACL Rod Bearings | ST Sway Bar | TMS CSL Box | Megan headers | H.T.E Tune | 550 Injectors | OEM Section 1, 2, 3| 200 Cell Cats | OEM SSK | Bilstein B12| 712 yellow tag |
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Originally posted by Notan_S54 View PostOh, and if you are worried about smog, karbonius now makes an oem carbon intake that produces the sound and uses the maf; so that may pass California inspections if it’s just the plug in test.
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Originally posted by ViN View PostHas anyone tried this? I would be curious as to the sound comparison to a CSL. It claims most of that without the tuning headaches.
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Originally posted by Nate047 View Post
It’s a visual inspection too. Some places might turn a blind eye but a big ass carbon fiber intake manifold is really asking for it lol.
It’s rough being a car enthusiast and wanting these sought after mods haha!
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Originally posted by maupineda View PostIs better than stock plus Eventuri for sure, but I would say is not as loud, perhaps 80% of the volume. The sound is also a bit different as is higher in pitch and not as gutural as the CSL.
i have the two setups, what you posted above and an actual CSL Karb.
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Originally posted by Notan_S54 View Post
This was what I was looking for! After having the Karb CSL box on my car it was time to move to a setup that didn’t require removing every two years. Good to know the eventuri + oem style setup still makes ~80% of the noise
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Originally posted by Teemmy View PostDoes the gruppe M intake have any sound benefit? Seems like it should be similar to the eventuri except it has a snorkel to the front kidneys6MT SLICKTOP - OE CSL Wheels - OE CSL Brakes - CSL Rack - CSL Trunk - CSL Diffuser - AA Tune - AA Pulleys- AS 40% SSK - 4.10 Motorsport Diff - Bilstein PSS9s - H&R Swaybars - CSL Lip - Gruppe M CF Intake - Supersprint - M Track Mode
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