Header, Intake, & Exhaust Custom Exhaust? New Headers? Need Opinions on Intakes? Discuss making your ride breathe better here.

open header hehehehe

  #1  
Old 08-10-2006, 05:57 PM
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Default open header hehehehe

ok, so i removed my exhaust today from my header for ****s and giggles for some research, here are my findings...

Observation 1. Loud as F#*$
Observation 2. VTEC comes in louder than observation 1
Observation 3. No exhaust = no power
Observation 4. Wait to reinstall exhaust until AFTER the header cools lol
 
  #2  
Old 08-10-2006, 06:02 PM
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Default RE: open header hehehehe

Ive got an electronic exhaust cutout........its really loud, but i DO gain power from it......quite a bit too.
 
  #3  
Old 08-10-2006, 06:09 PM
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Default RE: open header hehehehe

Do you gain power off the line or do you open it up afterwards to gain power? I had cut outs on my 65 Mustang and it lost all it grunt of the line and picked up the power in the mid to high range.
 
  #4  
Old 08-10-2006, 06:31 PM
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Default RE: open header hehehehe

im not sure about pete, but i have decent power on the top end now, the only sucky part about that is that "top end" part starts at about 4k lol
 
  #5  
Old 08-11-2006, 08:18 AM
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Default RE: open header hehehehe

man you're nuts
 
  #6  
Old 08-11-2006, 10:31 AM
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Default RE: open header hehehehe

when i worked at a shop we started up a civic with no exhust...load and SMELLY as hell, i had to open the bay doors and go outside because all the smoke and the stench from it
 
  #7  
Old 08-13-2006, 06:51 PM
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Default RE: open header hehehehe

^^^and the carbon monoxide poisoning......[:'(]
 
  #8  
Old 08-13-2006, 10:09 PM
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Default RE: open header hehehehe

Generally, the more the exhaust flows, the lower the velocity, and the lower the velocity, the higher the powerband shifts.

Open headers sacrifice a lot of torque for some high RPM gains. When I took my 85 monte circle track car from street stock to super stock class, I went from shorty exhaust to open headers and noticed a loss of torque with a slight gain in top end pull.
 
  #9  
Old 08-13-2006, 10:33 PM
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Default RE: open header hehehehe

haha people are going to be pissed at your open headers

lol have fun with the loud noises though
 
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