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Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 08-18-2008, 08:01 PM   #1
pnasca
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Carbon Fiber Intake Vs. Cosmos Intake

Which one is better? Are they going to do the same, or is the cosmos going to let more hot air in?

http://www.modbargains.com/product.a...W_CF_Intake_MW

this is the carbon one.


this is the cosmos racing one

http://cosmosracing.com/products1.html
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Old 08-19-2008, 09:49 AM   #2
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I like the Cosmos a lot more, had the CF one and got rid of it for the Cosmos Racing one, neither do a lot for performance.
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Old 08-19-2008, 01:02 PM   #3
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The CF intake - is a replica of the Gruppe M design - which is a proven winner on the dyno's and has proven to do some performance gains as well as suck in the air nicely. It looks nice, and isn't extremely expensive, there are some better performers out there like K&N, AFE and ECIS.

Cosmo's well - its a Filter and a plastic tube (maybe I am wrong, but it looks like the same design from the E36)- it should perform decently - I would say the same as getting any upgraded air filter - it doesn't look to me like it does much in terms of heat shield, or several other factors that go into building an intake - such as proper air flow - for air turbulence/MAF, a true CAI. That said I've never seen any independent dyno's or messed with the product myself, so I don't feel qualified at all to even talk about it - just my observations. They Cosmo racing intake has been around since mid 90's so its been out for awhile.
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Old 08-19-2008, 04:00 PM   #4
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I dynod my car with the cf intake and it had absolutely no power gain over a stock 325. The sound on both is amazing I prefer the sound of the cosmos and it is cheaper. Neither will give you a noticeable power increase

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The CF intake - is a replica of the Gruppe M design - which is a proven winner on the dyno's and has proven to do some performance gains as well as suck in the air nicely. It looks nice, and isn't extremely expensive, there are some better performers out there like K&N, AFE and ECIS.

Cosmo's well - its a Filter and a plastic tube (maybe I am wrong, but it looks like the same design from the E36)- it should perform decently - I would say the same as getting any upgraded air filter - it doesn't look to me like it does much in terms of heat shield, or several other factors that go into building an intake - such as proper air flow - for air turbulence/MAF, a true CAI. That said I've never seen any independent dyno's or messed with the product myself, so I don't feel qualified at all to even talk about it - just my observations. They Cosmo racing intake has been around since mid 90's so its been out for awhile.
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Old 08-20-2008, 02:02 AM   #5
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can anyone describe the differences in sound? Is it a night and day difference or are they pretty similar? How much in % are they louder than stock?
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Old 08-21-2008, 10:24 AM   #6
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Lets not forget about the whistling noise you hear when you are on the throttle cruising.

All intakes work the same, it just depends how much you want to spend, will you feel a difference in the car? Nope, the engines are fairly tweaked to the max as is.
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