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  1. General Discussion (8G)
    Hello, I'm thinking about removing my catalysator to get a better exhaust flow, some more hp's and a better sound out of my 1.4i vtec fn4. But i know when emtying the catalysator the sensors will give a fault code to the car. Now i've heard that some cars can run with this and the car just...
  2. Engines and Transmission (8G)
    I'm running torque with a genuine obd2 adapter and the cat reading temperature is often in the 800oc, what's the normal temperature for a cat to operate at?
  3. General Discussion (8G)
    so the engine management light came on, the CAT is absolutely F'in boiling and one of my ignition coils is f'kd meaning it forces the engine to go into limp mode. I understand all of that. But for some reason the dash is saying 'VSA CHECK SYSTEM' ... I've had it diagnosed and nothing to do with...
  4. Type-R
    Hi all, Can anyone tell me what the pipe diameter is at the end of the cat section on the FN2 OEM exhaust manifold? I'm looking to get a custom decat pipe made to go with my Cobra cat-back exhaust (2.25") as the 4-2-1 manifold is too expensive for me at the minute. Cheers. Sam
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