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open exhaust = valve death?
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I'm a Rookie, How do I Wheelie?
 
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open exhaust = valve death? - April 17, 2013, 08:43 PM

So it turns out that exhaust I bought deletes the cat ( Jardine GP1 on a 2010 zx6r ). If I don't remap, do I have burnt valves to look forward to? As is right now, it runs pretty good with a little less low end torque (butt dyno'd). I just want to make sure I'm not digging the engine an early grave.
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April 17, 2013, 08:53 PM

Open CAT and no header at all are to different things. If you ran the motor with no header, you'd burn a valve. Nothing to worry from an open CAT or even no canister...


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I'm a Rookie, How do I Wheelie?
 
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April 17, 2013, 09:26 PM

Thanks. It'd probably behoove me to get a tune though, you think?
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easyrider
 
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April 17, 2013, 09:28 PM

^ what are you talking about no header? OP edit?

No header = radiator getting burned up haha.

Without the cat you will probably run lean. Risk is up to you. But are you sure you got rid of the cats? they are usually at the end of the header. Sounds like if you didnt install a full system you didnt get rid of them.
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I'm a Rookie, How do I Wheelie?
 
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April 18, 2013, 12:57 AM

Ya I got rid of the cat for sure. My cat was right before the muffler. No header lolol...that's hardcore
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easyrider
 
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April 18, 2013, 01:42 AM

Quote:
Originally Posted by JPヤバイ View Post
Ya I got rid of the cat for sure. My cat was right before the muffler. No header lolol...that's hardcore
If that's the case then it would be best to get some kind of fuel managment to correct any lean spots created. Will it grenade your engine right away? No. But over time I think it will cause premature wear.
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April 18, 2013, 06:53 AM

That's what I was lookin for. Thanks man.
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