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      06-30-2009, 01:46 AM   #1
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Gruppe M intake vs. replacement filters on sound difference

I was considering about buying the Gruppe M intake but after reading PG's database I found out that the sound and performance gain are both due to free flow that could probably be achieved by a simple under $100 replacement filter. Now here, I dont "really" care about the ~10 hp gain on the car. All I want is to have a pure mean intake sound. Would a replacement filter be able to achieve partial if not fully how a Gruppe M intake sounds like?
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      06-30-2009, 01:55 AM   #2
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My friends afe does not sound anything like my gruppem. is the sound worth the extra $$$ that's for u to decide. Beware of lower mpg though.
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      06-30-2009, 02:02 AM   #3
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I'd say a filter replacement is like 15-20% the sound of a gruppe m, maybe less.
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      06-30-2009, 02:11 AM   #4
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thanks guys, sounds like go Gruppe M or go home
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      06-30-2009, 05:49 AM   #5
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Yeah, but honestly is it worth the price? Filter and scoops yield practically the same gains or more than the Gruppe M. I'd rather just get the "cool sounds" from the exhaust + v8
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      06-30-2009, 12:01 PM   #6
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Quote:
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Yeah, but honestly is it worth the price? Filter and scoops yield practically the same gains or more than the Gruppe M. I'd rather just get the "cool sounds" from the exhaust + v8
I'm not sure at this point actually. Intake and exhaust yield different kinds of "cool sounds" from the V8
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      06-30-2009, 12:17 PM   #7
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how loud do you want to be? ur already loud as fuck!!!
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      06-30-2009, 12:17 PM   #8
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thanks guys, sounds like go Gruppe M or go home
knowing you, and how you're a cheap bastard, go home lol
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      06-30-2009, 12:19 PM   #9
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how much is a gruppe m intake?
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      06-30-2009, 01:16 PM   #10
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Quote:
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how much is a gruppe m intake?
I'm looking at getting the intake and exhaust installed. Looked around to see if anyone had any dyno gains posted but didn't find any..
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      06-30-2009, 06:44 PM   #11
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Quote:
Originally Posted by Cab5er View Post
My friends afe does not sound anything like my gruppem. is the sound worth the extra $$$ that's for u to decide. Beware of lower mpg though.
How much lower can it go? I can only get 16mpg city/hwy on the OEM filter. How much less are you guys getting with the after market filters?
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      06-30-2009, 06:54 PM   #12
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Quote:
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how much is a gruppe m intake?
About $2.8K but you can get this one http://www.m3post.com/forums/showthread.php?t=257274
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      06-30-2009, 08:03 PM   #13
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Quote:
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How much lower can it go? I can only get 16mpg city/hwy on the OEM filter. How much less are you guys getting with the after market filters?
16 mpg your lucky
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      06-30-2009, 09:55 PM   #14
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Quote:
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16 mpg your lucky
+1, I'm lucky if I even get that. Hell, today I was parked with the air-con on for about 5-10 minutes and I saw the miles left on my fuel tank go from 137 to 129
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      06-30-2009, 10:08 PM   #15
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Quote:
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How much lower can it go? I can only get 16mpg city/hwy on the OEM filter. How much less are you guys getting with the after market filters?
It's me trying to hear the intake all the time

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+1, I'm lucky if I even get that. Hell, today I was parked with the air-con on for about 5-10 minutes and I saw the miles left on my fuel tank go from 137 to 129
that's why I call bs when people say they get 26 mpg
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      06-30-2009, 10:10 PM   #16
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it all depends on the driver and setting and how much you get on the car
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      06-30-2009, 10:45 PM   #17
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Quote:
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it all depends on the driver and setting and how much you get on the car
Even at idle the thing goes through fuel like a jet plane at idle.. I think the new 997 Carrera S definitely takes the title when it comes to fuel efficiency. If you are on it then forget about fuel.
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      07-02-2009, 04:34 PM   #18
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gruppe m intake is a waste of money, not to mention it takes around 3-4 months to get from Japan. I can never justify spending 5k+ on an intake that only gives me better sound.
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      07-02-2009, 08:44 PM   #19
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I don't know about the Gruppe M, but an aftermarket air filter is necessary if you have a catless exhaust - I can finally hear that beautiful intake again at WOT!

In fact, with its bang for the buck, everyone should have one.
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      07-03-2009, 12:16 AM   #20
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Quote:
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gruppe m intake is a waste of money, not to mention it takes around 3-4 months to get from Japan. I can never justify spending 5k+ on an intake that only gives me better sound.
it's not 5k it's half that. Obvious you have not heard this intake in action.
it's a proven 10 whp btw
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      07-05-2009, 06:07 AM   #21
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so does anyone have dyno results with a drop in filter+scoop?
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      07-05-2009, 06:50 AM   #22
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Quote:
Originally Posted by Eugene-TAIWAN View Post
so does anyone have dyno results with a drop in filter+scoop?
Here's my dyno of RPi scoops.
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