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      01-20-2013, 08:56 AM   #133
Goat Rodeo
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Quote:
Originally Posted by flinchy View Post
ummm


that thread is to do with testin POORLY DESIGNED headers... if you read the whole thing.

look at other tests, they show that headers are a major improvement, especially with forced induction.
The Google search you linked to turns up one or two companies making anything approaching decent headers and a lot of promises that weren't kept. Fact is the S65's stock headers leave very little room for improvement without significant added cost as others have mentioned. Sure you can buy plenty of aftermarket headers that actually decrease overall performance and use lesser quality materials; nothing new here.

And you are dead wrong about engine harmonics; so that's 2/2 for you. It might be time for you to stop dumping on a photo thread if you're not only going to be wrong but be antagonistic at the same time.
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      01-21-2013, 04:07 PM   #134
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Originally Posted by mthreefan View Post
so that's what has been making all that noise
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      01-21-2013, 08:33 PM   #135
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Quote:
Originally Posted by flinchy View Post
ummm


that thread is to do with testin POORLY DESIGNED headers... if you read the whole thing.

look at other tests, they show that headers are a major improvement, especially with forced induction.
Headers historically produce big power for 2 reasons

1-OE was a simple manifold/dump system
2-headers (or manifold even worse) had primary cats built in

Either scenario replacing these by a tuned set of regular headers would yield big gains.

Taking a set of OEM headers with no cats leaves no room to be gained on the stock engine. Add 150hp then I am sure there is room for improvement.
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      01-22-2013, 04:41 PM   #136
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Number one reason why I bought my M3. Yup, just to hear this sweet engine. And you know what, I 'm loving every minute of it.
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      01-29-2013, 08:06 AM   #137
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Wow that just took me back to 2003 when.... had my E46 M3. I had those pics on my computer. That engine is a true work of art!
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