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headers

  1. Performance Mods
    I had bought 4-1 headers awhile back and ran into a few problems with the air box sensor.For reasons unknown to me the header causes it to throw a code.Anyone have any ideas what may be causing this? As well i'm looking to do some internals but cannot find any cams krs used to have them but...
  2. Car Stuff For Sale
    Application: GM 2.4L LE5 Ecotec 4Cyl Engines. 2005-2008 Pontiac G6 Sedan/Coupe 2.4L. 2006-2008 Pontiac G5 2.4L. With #8th Digit "B" In The VIN. (i.e 1234567 B *********) Specification. Tube Diameter I.D : 1.50 Inch. Collector Diameter I.D: 2.5 Inch. 100% T304 Stainless Steel.. Flange...
  3. Performance Mods
    :wtf This is a header for the G5/Cobalt on ebay claiming 8-12 hp. I'm not sure this is even a possible gain for just a header swap...
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