Quote:
Originally Posted by e7lek
might as well just get a tune, headers drop the warranty anyway innit
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Wrong
Quote:
Originally Posted by 62nalide
Oh they will eventually.
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Right
Quote:
Originally Posted by The_Blur
Expect to tune them all. While it might not be "necessary," I'd expect CELs and imperfect driving until you get them tuned.
Sadly, there just aren't any shortcuts. Cars are electronically controlled these days, and that requires you to update the electronics when you update the hardware.
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Right
So, all headers will throw a CEL. Headers DO NOT void your warranty, they only void your warranty on the part you replace (and who cares about the warranty on the stock manifolds sitting in a scrap yard, they arent on the car anymore). And a warranty wont cover damage caused by an aftermarket part.
So if in some impossible way, your headers damaged something, then a warranty wont cover the damage. Only damage ive heard of is certain people blame header heat killed their starter. Or headers melting plug wires.