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High Flow Cats - How noisy?

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Old 03-02-2009, 08:54 AM
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iiiiiekoiiiii
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Originally Posted by BerkTechnology
Some have done it on test pipes but none on HFC's. HFC's quiet the exhaust down a great deal compared to test pipes. Plus, heat wrapping an exhaust part will greatly shorten the lifespan of any exhaust part. Most manufacturs will void your warranty if the parts have been wrapped.
can you tell me why, Cause im running hfc with borla exhaust and mine is crazy loud, and It annoys talking over the exhaust. I was thinkin about heat wrapping them , is there any real downsides of it?
Old 03-02-2009, 02:48 PM
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BerkTechnology
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Originally Posted by iiiiiekoiiiii
can you tell me why, Cause im running hfc with borla exhaust and mine is crazy loud, and It annoys talking over the exhaust. I was thinkin about heat wrapping them , is there any real downsides of it?
Here's a good read on the subject.

http://www.centuryperformance.com/ex...e-spg-138.html
Old 05-11-2009, 08:42 AM
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iiiiiekoiiiii
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^^ thanx for that, I read thru it, and it's a nono for me.
I dont wanna mix it up with the borla td, hfcs and headers, it's too much.

so im gettin rid of the borla and going to stick with hfc and headers. we'll see how that turns out
Old 05-15-2009, 03:27 PM
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Originally Posted by BerkTechnology

so when it comes to headers, would you reccomend ceramic coated?
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