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Best shortie headers?

Old Feb 13, 2006 | 09:02 PM
  #41  
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Originally Posted by slowpoke96z28
long tubes with catalytic converters will pass an IM240 inspection. and a clear DTC history in the PCM will pass the plug-in test. BTW, the best shorty header is the one you remove to put on LTs.
What's IM240?
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Old Feb 13, 2006 | 09:42 PM
  #42  
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according to epa.gov

IM240: A high-tech, transient dynamometer automobile emissions test that takes up to 240 seconds.
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Old Feb 26, 2006 | 06:40 PM
  #43  
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We all know that long tubes make the most power. Sure, the shorties are a compromise, but if your car is a 98-99 I believe they can help. On Horsepower TV they put Edelbrock shorties on a 98 camaro and got 15 horsepower to the wheels. On top of that, they took 40 pounds of the front of the car by losing the "heavy" stock manifolds. I don't believe they are worth getting unless you can find a used set for cheap, and if you live in a Smog **** state like Cali. Another benefit to them is the ground clearence on lowered cars and and not being hassled by cops because they have C.A.R.B. certification. Just my .02
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Old Feb 26, 2006 | 11:56 PM
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I want LT's so bad for my car, but the god damn state of California sucks for emmissions. But i think ill be done for mods for a little bit, because I have only had my car for about a month and I have done all in sig. So im gonna look around and see if I could find a local Sacramento shop that doesnt give a ****.
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