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Old 07-06-2006, 09:02 PM   #1
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How loud it open downpipe?

Thinking of taking off my exhaust post downpipe since I have a cat before the downpipe, I was just wondering, what issues will I run into?
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Old 07-06-2006, 09:05 PM   #2
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It will be loud and why would you want to?
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Old 07-06-2006, 09:14 PM   #3
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I'm not sure? Weight reduction?
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Old 07-06-2006, 09:31 PM   #4
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Don't take it off, it will drive you insane.
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Old 07-06-2006, 09:34 PM   #5
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You're so smart.
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Old 07-06-2006, 09:37 PM   #6
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I've run open header before... and it rattles the inside of the car apart... not fun cruising around. I plan on buying some titanium pipe and making myself an exhaust system... I priced it out and it shouldn't be more than $300-350... which is less than most aftermarket exhaust systems.
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Old 07-06-2006, 10:30 PM   #7
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I was thinking of having an exhaust bypass valve to run it through a pipe into the interior and under the seats so I could warm my arse up in the winter.
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Old 07-06-2006, 11:14 PM   #8
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Then don't forget the fresh air vent fo yo lungz.
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Old 07-07-2006, 08:35 AM   #9
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Don't do it. It's loud and annoying.

I ran an open downpipe on my turbo setup a few times at the track. Even at the track and with turbo (which muffles the exhaust some) it was still loud and embarassing.

Just for ****s and giggles you can disconnect your cat and drive around the block, you will see how much it sucks. lol
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Old 07-07-2006, 08:39 AM   #10
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It's amazing how well mufflers and resonators actually kill engine noise. You really can't comprehend the noise level. Think Harley and add 10dB (double spl).
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