Removed Green and returned to K&N
Thread Starter
MBWorld Fanatic!
Joined: Aug 2005
Posts: 3,466
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From: Southern Cali (Ontario)
Removed Green and returned to K&N
I bought my car late 2004...
back then my knowledge for MB cars was as bad as me trying to explain Rugby Football.
My first mods were Green Filters and removed the resonator.
When I first installed them.. I noticed some gaps and the fitment was not very good. This is an old problem for Green filters and probably has been fixed by now.
I always noticed the gap and how they sat deep in the box and did not sit up high. (Creates less volume of air in the boxes)
This past week end I was going to clean them once more, and really made me think how I'm sufficating the engine.
visited by nearby parts store, bought the K&N's and by the next day there were installed.
The box had a nice installation guide with photos and even a small rubber gasket to help with the fitting. I think I paid $120 for my green filters and $90 for my K&N's.
I can tell you I know my cars behavior very well and Its breathing healthy again. Throttle response a bit nice and pulls are a bit harder.
Still can't make the transmission kick down fast (unless you have a sprint booster) but the power is there once you hit the kick down button.
I'll be doing a transmission fluid next, maybe it will help the transmission to react sooner.
If you have Green filters and they don't fit exactly how they should... you probably better off with stock filters.
back then my knowledge for MB cars was as bad as me trying to explain Rugby Football.
My first mods were Green Filters and removed the resonator.
When I first installed them.. I noticed some gaps and the fitment was not very good. This is an old problem for Green filters and probably has been fixed by now.
I always noticed the gap and how they sat deep in the box and did not sit up high. (Creates less volume of air in the boxes)
This past week end I was going to clean them once more, and really made me think how I'm sufficating the engine.
visited by nearby parts store, bought the K&N's and by the next day there were installed.
The box had a nice installation guide with photos and even a small rubber gasket to help with the fitting. I think I paid $120 for my green filters and $90 for my K&N's.
I can tell you I know my cars behavior very well and Its breathing healthy again. Throttle response a bit nice and pulls are a bit harder.
Still can't make the transmission kick down fast (unless you have a sprint booster) but the power is there once you hit the kick down button.
I'll be doing a transmission fluid next, maybe it will help the transmission to react sooner.
If you have Green filters and they don't fit exactly how they should... you probably better off with stock filters.
Last edited by TopGun32; Mar 10, 2008 at 05:13 PM.
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Joined: Jul 2006
Posts: 3,365
Likes: 12
From: Orange County, CA
GMC - Miata - Trek - P-Car
Good catch, TopGun32.
Some are pleased with the Greens; others not so much…https://mbworld.org/forums/showpost....2&postcount=63
Some are pleased with the Greens; others not so much…https://mbworld.org/forums/showpost....2&postcount=63
Thread Starter
MBWorld Fanatic!
Joined: Aug 2005
Posts: 3,466
Likes: 10
From: Southern Cali (Ontario)
specially for those that have the bigger 55 air boxes ... why have been air boxes if your filters are creating more turbulance than flow.
just food for thought.
I'm putting back my resonator. I just have this bug that tells me that I'm loosing a bit of back pressure under 2900 rpms (when kompressor is dormant)
even if the resonator is basically a straigh pipe with noise reduction material, I think the volume of gases it holds helps the engine.
more on this later this week.
just food for thought.
I'm putting back my resonator. I just have this bug that tells me that I'm loosing a bit of back pressure under 2900 rpms (when kompressor is dormant)
even if the resonator is basically a straigh pipe with noise reduction material, I think the volume of gases it holds helps the engine.
more on this later this week.
MBWorld Fanatic!
Joined: Feb 2006
Posts: 6,213
Likes: 8
LET C32 2002
I have nothing bad or anything against the Green filters....I definitely can say that the K&N are built tougher and fit like a glove compared to the Greens but I have yet to experience what bad things occurred to others with the Greens. I swap out from Greens to K&N to Greens every 3k miles since I have noticed them pretty dirty at that time on 2 occassions.
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MBWorld Fanatic!
Joined: Mar 2003
Posts: 2,974
Likes: 5
From: Southern California
2017 W205 C43 AMG
K&n
Good catch, TopGun32.
Some are pleased with the Greens; others not so much…https://mbworld.org/forums/showpost....2&postcount=63
Some are pleased with the Greens; others not so much…https://mbworld.org/forums/showpost....2&postcount=63
So with my W209 CLK55, I decided to go back to K&Ns. They fit perfectly and the car feels much more crisp and throttle response is great. Plus, now I can pull "chirps" again!
The K&Ns are great and the oil was never a problem on my CLK430. I think people only get into trouble when they clean the filters themselves and over-oil them afterwards!
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Joined: Apr 2002
Posts: 22,058
Likes: 18
From: Diamond Bar, CA
W206 PHEV AMG
i have the Green. doesn't have the fit problem described. works fine. i may try out k&n later on just for the heck of it. my brother has the k&n on his e39 528i and it's been strong for 130k miles.
