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Old 06-25-2001, 09:45 PM   #1
IMPREZAmike
Scooby Newbie
 
Member#: 169
Join Date: Aug 1999
Location: Warwick and smAlbany NY
Vehicle:
98 black OBS
move bi*ch get out da way

Default ummm, backfire? what the...?

the past few days i have noticed this....if i accelerate hard in first or second (i.e. stomping on the pedal and almost hitting the revlimiter) i will get one or two small 'pops!' from the exaust. under normal accelaeration i dont get this.

i have a minnam intake and stromung exaust, and recentlly had the plugs and timing belt replaced. would the instalation of an S-AFC help out? ( i have one to put in just need to get to rallispec) thanks guys!

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Old 06-26-2001, 09:39 AM   #2
IMPREZAmike
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Member#: 169
Join Date: Aug 1999
Location: Warwick and smAlbany NY
Vehicle:
98 black OBS
move bi*ch get out da way

Default

anyone???
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Old 06-26-2001, 12:09 PM   #3
Subie Gal
GC84Ever
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Member#: 301
Join Date: Sep 1999
Chapter/Region: NWIC
Location: WA
Vehicle:
1970 FF-1 & '70 Van
02 WRX/01 RS

Lightbulb

best i can tell ya is to try doing a search on 'backfire'

it's a standard issue occurrence w/an aftermarket exhaust... nothing it wrong with your car... basically the backfire/backpressure is always there... just muffled w/the stock exhaust, intake and resonator....

search and you will see you are not alone.

j.
www.subiegal.com
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Old 06-26-2001, 02:05 PM   #4
Gambit
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Member#: 102
Join Date: Jul 1999
Location: The meeting place
Default

your car is just popping. happens on all imprezas because of it's bozer engine design. no worries. A backfire is very very loud. It's like a gun shot! The popping sound happens because you have unburned gas in the exhaust pipe and the heat just caused it to explode. No biggie. I really like it.
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Old 06-26-2001, 02:47 PM   #5
IMPREZAmike
Scooby Newbie
 
Member#: 169
Join Date: Aug 1999
Location: Warwick and smAlbany NY
Vehicle:
98 black OBS
move bi*ch get out da way

Default

a-ha.....your right in that it more of a popping instead of the gunshot-like backfire. thanks for clearing this up for me.

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Old 06-26-2001, 07:39 PM   #6
imprezadan
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Member#: 6935
Join Date: May 2001
Vehicle:
1999 Impreza 2.5RS
Rally Blue

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Those are GOOD sonds dude!
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