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05-09-2006, 06:40 PM
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#1
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Registered User
Join Date: Dec 2004
Location: Bowmanville, Ontario
Posts: 185
Car: 2007 335 & 2005 325
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Cold Air Intake question
Cosmos racing (montreal) has 3.5" for $144.00 + shipping and GST
US venders have 3" for @25.00 USD + shipping and exchange (approx. $70.00cdn landed)
Is their $70.00 worth of gain from the extra 1/2" in diameter of the CAI???
I like buying Canadian but for twice the price?????
Thanks in advance for your opinions!
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05-09-2006, 08:17 PM
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#2
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JUICY J CAN'T
Join Date: Jun 2004
Location: T.
Posts: 16,975
Car: S54 titties
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Cosmos uses a K&N filter, no name probably does not. Its quality of parts included in the kit that will make the difference, not the extra half inch. Im not even sure what the diameter of your intake pipe is, i think its 3.5, but if its 3 than the extra half inch really wont accomplish anything.
remember to position your car somewhere where it gets optimally cold air, lots of people run CAI's or cones without proper heat shields and actually just suck hot air into their engine
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05-09-2006, 10:28 PM
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#3
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moderationistismingly
Join Date: Dec 2001
Location: Bradford, ON
Posts: 8,792
Car: 97 328is-02 Impreza
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you can't use the 3.5" intake unless you have a 3.5" air flow meter. If yours is stock, get a 3" CAI
__________________
"Driving is like a narcotic, an addiction that can take over lives. It ruins people, breaks families apart, and even kills. It’s habit that needs to be fueled. Time, money, rationality, sweat, knuckle skin, and anyone who disapproves are of little importance to a driver, and are often overlooked. Hi, I’m Nelson, and I’m a drivaholic."
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05-09-2006, 10:29 PM
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#4
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Registered User
Join Date: Dec 2004
Location: Bowmanville, Ontario
Posts: 185
Car: 2007 335 & 2005 325
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Yea, your probably right...K&N filter as opposed to coton/ foam
Anyone know what size air intake an M50 engine has? 3-1/2"??
Prop'rone, re the placement...yep, I am only looking at the CAI that extends down behind the headlight for direct cold air
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05-09-2006, 10:30 PM
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#5
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OMGHI2U2
Join Date: Oct 2002
Location: The boonies
Posts: 3,363
Car: 03' Lade & 03' M3
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yes, unless your changing your air flow meter your better off with the 3" CAI.
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05-09-2006, 10:34 PM
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#6
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Fuel Efficient 318 Member
Join Date: Mar 2002
Location: Toronto
Posts: 3,467
Car: 318ti
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I've been told that debaffling has the same effect as a CAI and it's free...
__________________
 
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05-09-2006, 10:42 PM
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#8
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Registered User
Join Date: Dec 2004
Location: Bowmanville, Ontario
Posts: 185
Car: 2007 335 & 2005 325
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Quote:
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Originally Posted by M3ti Compact
I've been told that debaffling has the same effect as a CAI and it's free...
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I have been thinking of debaffling...might try it this weekend...and just through in a K&N filter in the stock set up...BUT I hear this only gets ~4hp gain vs. CAI at 8 to 10hp gain?  I am going to chip the car in a while but want to get a few added horses first)
BTW you need to update your pic to show off the projectors and nice white skirts
Last edited by Andy E34; 05-09-2006 at 10:45 PM.
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05-09-2006, 10:46 PM
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#9
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Registered User
Join Date: Dec 2004
Location: Bowmanville, Ontario
Posts: 185
Car: 2007 335 & 2005 325
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Quote:
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Originally Posted by crusher
yes, unless your changing your air flow meter your better off with the 3" CAI.
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3" out of the US are a lot cheeper!
But...Cosmo emailed me and said their set up works perfect with my stock set up??
Last edited by Andy E34; 05-09-2006 at 10:48 PM.
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05-10-2006, 07:36 PM
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#10
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Has no idea whats goin on
Join Date: Feb 2005
Location: Connecticut
Posts: 1,950
Car: E46
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Quote:
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Originally Posted by M3ti Compact
I've been told that debaffling has the same effect as a CAI and it's free...
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i can tell you from experience that a cai is WAY more effective then debaffling.
debaffling only makes your car louder on higher rpm's
__________________
As I was walking up the stairs, I met a man who wasn't there. He wasn't there again today, I wish I wish he'd go away. |
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05-10-2006, 10:41 PM
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#11
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3rd Gear Member
Join Date: Jul 2002
Location: queensway
Posts: 599
Car: E92
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does the CAI fit with depo headlights. I have these lights which I have not installed and I want to get a CAI. but will they fit together?
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05-10-2006, 10:48 PM
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#12
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BMW again.
Join Date: Feb 2002
Location: Toronto
Posts: 6,110
Car: 1994 325is
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yes they do, its very tight but they do fit. although some of my friends had to change thier cone to fit for some CAI's, my old CAI fit just fine, just had to adjust the position it sat.
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05-10-2006, 11:09 PM
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#13
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Registered User
Join Date: Dec 2004
Location: Bowmanville, Ontario
Posts: 185
Car: 2007 335 & 2005 325
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Quote:
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Originally Posted by bmnorm
does the CAI fit with depo headlights. I have these lights which I have not installed and I want to get a CAI. but will they fit together?
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and you will need to move your horn...
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05-10-2006, 11:12 PM
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#14
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Registered User
Join Date: Dec 2004
Location: Bowmanville, Ontario
Posts: 185
Car: 2007 335 & 2005 325
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Quote:
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Originally Posted by crusher
yes, unless your changing your air flow meter your better off with the 3" CAI.
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Read up on the Cosmo racing web page and it says the main section in 3-1/2" with the smaller part that mates to the intake is 3"
So I am inclined to go with the cheeper unit (3") out of the US
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