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Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 08-09-2009, 12:32 AM   #1
VALOR
 
Drives: L99 cyber grey
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L99 Corsa Exhaust Sound?

Anyone else get a weird sound out of the Corsa catback exhaust when your not hitting the gas. Sounds like a hmmmmmmmmmmmmming sound! Think it has to do with the AFM. Driving me crazy.

Also, not a loud as I thought it would be -- pretty tame. If I throw on some LT headers, think the car will sound more aggressive?

Thanks fellas.
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Old 08-09-2009, 01:05 AM   #2
mlee
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Probably AFM... Mine is sort of a groan sound between 1500 -1800 RPM. The fact that it's going in and out of AFM and I know it is what drives me crazy... The sound is very mimimal.

Definitely not a loud system until you go WOT... then it wakes up. I waited on Headers because I didn't want to get too loud but now it looks like I can have my cake and eat it too as I do want the extra horses that headers will get me.

Should be a good combo although AFM may get worse unless tuned out...
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Old 08-09-2009, 11:30 AM   #3
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Yeah, we'll definately have to get this tuned out once we get the headers.
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Old 08-09-2009, 11:39 AM   #4
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My thoughts exactly....
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Old 08-10-2009, 12:31 AM   #5
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Anyone know how much a good dyno tune is going for in CA?
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