Does exhaust leak affect performance? - Honda-Tech - Honda Forum Discussion


Does exhaust leak affect performance?

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Old 02-26-2003, 08:05 PM   #1
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Default Does exhaust leak affect performance?

I have an Apex'i Dunk cat back. Would it affect my performance if I had multiple exhaust leaks. There is some kind of rattling around the stock header/downpipe around 3000rpm because it was custom done to fit my jdm h22 header to the h23 downpipe. Also, when I installed my catback, I never had the gaskets with it. TIA.

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Old 02-26-2003, 08:11 PM   #2
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Default Re: Does exhaust leak affect performance? (ophdeheezy)

YES

your going to suffer from pressure lost and it does make some performance difference

also may make it even louder if the gasket isnt here or not sized right


[Modified by KTeller8, 11:11 PM 2/26/2003]
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Old 02-27-2003, 12:25 AM   #3
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Default Re: Does exhaust leak affect performance? (KTeller8)

how big is the difference? is it noticeable? where CAN i get gaskets from? should i go through apex to get new exhaust gaskets or should i just go through a muffler shop or something?
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Old 02-27-2003, 12:26 AM   #4
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Default Re: Does exhaust leak affect performance? (ophdeheezy)

I have a huge leak right before my exhaust makes the S-bend. Maybe I'll try and fix that tomorrow.
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Old 02-27-2003, 09:02 AM   #5
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Default Re: Does exhaust leak affect performance? (ophdeheezy)

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Old 02-27-2003, 12:21 PM   #6
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Default Re: Does exhaust leak affect performance? (ophdeheezy)

Quote:
how big is the difference? is it noticeable?

[Modified by ophdeheezy, 1:21 PM 2/27/2003]
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Old 02-27-2003, 01:37 PM   #7
 
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Default Re: Does exhaust leak affect performance? (ophdeheezy)

it depends on the size of the hole in your exhaust. My brother had a leak in his exhaust on his civic and the car was a dog, i'm pretty sure it has something to do with back pressure. So he got it fixed and his power is restored.
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Old 02-27-2003, 02:19 PM   #8
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Default Re: Does exhaust leak affect performance? (stealthmode)

would the stock exhaust gaskets work?
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Old 02-27-2003, 08:58 PM   #9
 
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Default Re: Does exhaust leak affect performance? (ophdeheezy)

yea i got the saem problem i have a leak where the A pipe meets the B pipe on my dc 421 header. what should i do muffler shop, or call dc
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Old 02-27-2003, 09:42 PM   #10
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Default Re: Does exhaust leak affect performance? (h22jedi)

Quote:
yea i got the saem problem i have a leak where the A pipe meets the B pipe on my dc 421 header. what should i do muffler shop, or call dc
check with a muffler shop first
alot easier to deal with
dc might waste time or might not do anything. never know with the big boys

to the other guy. see if your stock gasket fits up. worth a try
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Old 02-27-2003, 09:58 PM   #11
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Default Re: Does exhaust leak affect performance? (KTeller8)

yes, back pressure is a very needed thing with a n/a car, i dunno if it would be bad to the point of making it a "dog". but you might notice some difference, plus it sounds like shyt
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