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Thread: Cosworth Replacement Air-Filter for A-Star

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    Cosworth Replacement Air-Filter for A-Star

    Installed Cosworth replacement air-filter in my A-Star. Apparently Cosworth are the only people with a replacement filter available for the A-Star last time i checked (which was a month ago). Filter medium is Cosworth's proprietary non woven synthetic material and the best part imho is that it is an oil-free type, so no oiled MAF sensor if you happen to over oil the filter. The recommended cleaning procedure (after 10k Kms as per them) is to soak the filter in mild soap solution and washing it under flowing water inside out, and drying naturally.

    I did not expect any huge improvements in performance after installing this, but i'm pleasantly surprised about the fact that the car feels a little more peppy now, even with AC on, and it builds revs more quickly. A-Star has a typical jerk (reported by many) when throttle is let off, in slow speed city runs this can get a bit uncomfy, now after the filter this symptom has reduced by a fair amount, car feels much smoother.

    The stock filter was not very dirty to begin with as you can see in the pic, so the improvements i noticed with Cosworth must be genuine.


    Edit: As you can see in the 4th photo, the K10B airbox looks a bit small.. i was wondering if the K12B airbox from Swift would do any good here. From the pics i've seen it looks like the K12B airbox can be squeezed in there. Any thoughts?
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    Last edited by turbodiesel; 27th Jul 2010 at 11:01.
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    can you please share the cost and where you sourced it from ? is there any dealers here in bangalore for this product?
    I am sure the engine would have felt a lot smoother than before .
    Last edited by Dark_Light; 27th Jul 2010 at 11:12.

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    nice. I Like. drive the car for a couple hundred kms and please post a complete review. you are probably one of the first with a replacement filter so a lot of people will be waiting for your reviews.

    also i dont think this will void any warranty issues right?

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    I am running on K&N Stock replacement filter on my wagonR for the last one year. I too feel the same, a little bit of difference when running with A/c on.

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    are you guys sure that putting a filter on our Indian underpowered cars actually makes a difference and nothing related to the mind playing games with you.

    no offence but our indian cars are highly underpowered since everyone is more mileage conscious compared to what top end can this car do and what is the 0-100 time. if you take the same filter and put it on any audi, bmw (talking petrol versions here) then i would say Yes there might be a performance difference but not to an extent which will make the crowd go woooooo.

    any performance filter will make a difference but not to an extent which can be felt. I have had petrol cars and modded ones as well and i never felt any significant increase(other than the sound the filter makes) till i added headers, removed cat, added mufflers, got the engine re-bored blah blah.

    so can you guys please tell me what exactly it is that you feel after adding a filter(that too a stock replacement and none of the K&N or green filters cone type) what is the difference that you feel and how do you judge it?

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    Quote Originally Posted by Dark_Light View Post
    can you please share the cost and where you sourced it from ? is there any dealers here in bangalore for this product?
    I am sure the engine would have felt a lot smoother than before .
    I bought it from Cosworth, Pune. I emailed them and did a bank transfer and they shipped the product to me. Cost is 3.5k MRP but they dint charge for shipping.

    Quote Originally Posted by Godfather View Post
    nice. I Like. drive the car for a couple hundred kms and please post a complete review. you are probably one of the first with a replacement filter so a lot of people will be waiting for your reviews.

    also i dont think this will void any warranty issues right?
    Nope it shouldn't void any warranty.

    It does make a slight noticeable difference!
    "Donít chase dots, chase lines. Chase area (under the line)." Hiroshi Tamura

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    Quote Originally Posted by supaCrank View Post
    I bought it from Cosworth, Pune. I emailed them and did a bank transfer and they shipped the product to me. Cost is 3.5k MRP but they dint charge for shipping.
    supaCrank:
    How did you find the right part ?
    Did't see anything in the "global" site ?

    Is there a site or catalog for parts ?
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    They carried an ad in one of the Automagazines and i followed it up with them. Email them at salesindia at cosworth dot com for details.
    "Donít chase dots, chase lines. Chase area (under the line)." Hiroshi Tamura

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    Good news for the Swift K12 owners. AStar Cosworth replacement filter will suit K12 Swift too They both have same airboxes, only difference is that Swift has a slightly longer intake pipe and its got a piggy back resonator.
    "Donít chase dots, chase lines. Chase area (under the line)." Hiroshi Tamura

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    Quote Originally Posted by supaCrank View Post
    Installed Cosworth replacement air-filter in my A-Star
    sankar, please suggest performance air-filter for my a-star. My airbox looks a little different. I guess I should go for K&N 33-2968?

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