Exhaust Question
Thread Starter
Advanced
Joined: Jun 2005
Posts: 93
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From: NE Ohio
Intake/Exhaust Question
I know their are different opionions regarding ramair/cold air kits, but my question is if you are running one (any one of them) and increasing the air coming in, does the stock exhaust system hurt what the performance of intake could be by not flowing enough exhaust? And if so is their an easy mod to help this that doesn't require changing the entire exhaust system? Thanks in advance for any insite here.
Last edited by T1000; Nov 13, 2005 at 07:57 AM.
Instructor
Joined: Aug 2005
Posts: 179
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From: Sacramento CA
I noticed a big change when i changed my air filter to a halltech stinger with x pipe and full exhaust. I gained high end speed on the top end but noticed a loss in low end torque because of more free flow from my experience. 
Maybe just change the exhaust if you want a little more sound or just change the air filter.
Maybe just change the exhaust if you want a little more sound or just change the air filter.
Le Mans Master
Joined: Aug 2001
Posts: 6,213
Likes: 1
From: South Alabama
On a stock engine the original exhaust will flow just as well as any aftermarket and won't hurt. You gain squat for HP increase by changing the exhaust. You will get a noticeable change increasing just your air intake and the stock exhaust can handle it. Aftermarket exhausts just sound a heck of a lot better.
Doing a H/C package, supercharger, turbo etc however will require changes to long tube headers, hi-flow cats, good xpipe etc to accomodate the increased air flow.
Doing a H/C package, supercharger, turbo etc however will require changes to long tube headers, hi-flow cats, good xpipe etc to accomodate the increased air flow.
Thread Starter
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Joined: Jun 2005
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From: NE Ohio
Thanks very much for the info, I always heard more air in = you need to let more air out, but in this case sounds like maybe the factory choked off the intake a little, so letting more air in will maximize the factory exhaust.
Thanks again, I am a newbe here so at times I feel guilty getting all this great info and help and don't really have much to offer back, but I guess as get a little senority I'll be able to contribute.
Thanks again, I am a newbe here so at times I feel guilty getting all this great info and help and don't really have much to offer back, but I guess as get a little senority I'll be able to contribute.
Pro
Joined: Dec 2003
Posts: 502
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From: Fountain hills AZ
Originally Posted by T1000
I know their are different opionions regarding ramair/cold air kits, but my question is if you are running one (any one of them) and increasing the air coming in, does the stock exhaust system hurt what the performance of intake could be by not flowing enough exhaust? And if so is their an easy mod to help this that doesn't require changing the entire exhaust system? Thanks in advance for any insite here.
The next really big improvement came from gears - 4.10 with my MN6. I had the differential change done for me because a lift is really helpful and my mechanic did it cheaply.
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Thread Starter
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Joined: Jun 2005
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From: NE Ohio
Intersting so you can get improved flow from a cat back system? I was thinking that would be primarly for sound, and that you would need a header system or a highflow cat to let more air out?