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  1. Coherent

    Air ride question YAY

    Lately I've been having some issues with this. Basically it's gotten to the point where if I leave the car for less than a day it goes totally flat. I come home from work at 7PM and in the morning it looks like this. If I run the car it comes back up and seems fine. Am I gonna hurt anything...
  2. Coherent

    Zero through sixty

    Inspired by the other videos I had to go and make one myself. 98 LSC: Other than intake/exhaust I haven't done too many performance mods. Stock programming and stuff. http://www.youtube.com/watch?v=bFLX850r
  3. Coherent

    12000K HIDs

    Installed and looking sexy. Btw my camera massively overexposed these pics making them look like some kind of blue fireballs.
  4. Coherent

    Burning up HID relays?

    Nevermind I figured it out.
  5. Coherent

    Wheel Center Caps

    Anyone know of a good place to get some for this style of wheels? Two of mine are missing it I haven't found em anywhere.
  6. Coherent

    What's the fastest you've driven your Mark VIII?

    This should be a fun thread. The question is pretty simple. Where and what was the fastest you've ever driven your mark VIII?
  7. Coherent

    98 mark VIII headers installed

    I've had the headers installed for about a week now and the car's running great. It feels noticeably more powerful, gets much better mileage thanks to the new O2 sensors and the sound is epic. While cruising around town it doesn't drone excessively and with the windows shut you can talk to...
  8. Coherent

    Got some headers

    Finally got all the pieces of my exhaust setup. Kooks headers Highflow cats 2.5 inch mandrel bent catback with H-pipe More pics to come when it's all installed.
  9. Coherent

    Best way to remove the 2 upper stock cats?

    Just wondering what the most practical way to do this is. I wanna put new high-flow cats on the car to go with a new exhaust setup. One cat looks easy enough to cut off. The other is welded to an exhaust manifold and looks like it would be a real PITA to cut off because the connection is up...
  10. Coherent

    Question about X-pipes

    So I finally chopped the dreaded third cat off and right now I've got the exhaust crudely patched together with some flexpipe and clamps. It has leaks and sounds like a hillbilly truck crossed with a Harley. I've looked at the X-pipes on ebay and they vary in price from like $24 to $80+ for...
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