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Bolt-On Power Mods Intake, exhaust, intake manifold, ignition, fuel system, cooling, etc.

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Old 01-26-2007, 09:44 PM   #1 (permalink)
 
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Test Pipe

Alright... what about test pipes. How much hp/tq would it add? Is going to make my exhaust loud as hell?
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Old 01-27-2007, 06:00 AM   #2 (permalink)
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I wouldn't really say it will make your car "loud as hell" but it will be a little bit louder than a regular tbe with a cat. As far as power noone knows a set number I would say maybe just a few more.
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Old 01-27-2007, 09:32 AM   #3 (permalink)
 
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Test pipe is good for 10-15whp over the stock cat, and it definitely will make the cour significantly louder, but that also depends on what you have on the car currently.





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Old 01-27-2007, 10:34 AM   #4 (permalink)
 
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As far exhaust components, just a hks hi power and downpipe. what about back firing? Ive heard some STIs with a cat delete and their shit back fired left and right.
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Old 01-27-2007, 10:36 AM   #5 (permalink)
 
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It can happen, since fuel pools in the test pipe then gets burned off (that's the backfire), but who cares? It doesn't happen often.





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Old 01-27-2007, 10:51 AM   #6 (permalink)
 
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The only thing im worried about is cops noticing. i don't need any more tickets. Does it do any damage to the turbo or anything since it's kinda like a small explosion?
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Old 01-27-2007, 04:16 PM   #7 (permalink)
 
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Backfires are not a problem, man, you're being paranoid. I haven't had one in 2 years - they happen occasionally, not often, and I don't know why a cop would care about a backfire. Cars randomly backfire all the time - it's not ticketable.





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Old 01-31-2007, 09:03 PM   #8 (permalink)
 
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Originally Posted by Darwin's 8 View Post
As far exhaust components, just a hks hi power and downpipe. what about back firing? Ive heard some STIs with a cat delete and their shit back fired left and right.
I would bet you at 10 to 1 odds that the STi in question also has a vent to atmosphere blow off valve. That is the source of the back fire. Not having a cat makes it much louder when it backfires, and in many cases lets the actual flames shoot out the tail pipe when the car backfires.

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Old 02-01-2007, 05:33 AM   #9 (permalink)
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I have a resonated test pipe and my exhaust is definatly quieter but not by much. I will let you know when I switch toa straight test pipe. I hope it changes the sounds little, I loved the way my TBE with straight pipe sounded on my eclipse.
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Old 02-01-2007, 07:01 AM   #10 (permalink)
 
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SicLan, when I went from my Megan TBE with resonated TP to Buschur TBE with straight pipe, it got louder and MUCH meaner.





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Old 02-01-2007, 07:20 AM   #11 (permalink)
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Thanks Warr that is exactly what I'm looking for. I also think I have a early production one from megan racing that is necked down to 2.75"ID So I can't wait! Maybe I will order it after i get my check on friday!
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Old 02-01-2007, 04:25 PM   #12 (permalink)
 
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I know its a little off topic but i always had apex ni tbe on my 1 gens and it was never a obnoxious loud. Sure a little louder than usual although I believed at the time the power without a cat was worth more than the amount of noise coming out the exhaust.

I have two buddies with EVO 8's. One has the buschur exhaust and the other with an Authority exhaust. Both without cats, my buddies buschur exhaust is louder even if you connected the cat. Warrtalon is right though it does sound much deeper not your typical 4 banger exhaust tone
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Old 02-01-2007, 07:01 PM   #13 (permalink)
 
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Well i have an HKS ssqv blow off. How do i tell if its ported to atmosphere?
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Old 02-01-2007, 07:54 PM   #14 (permalink)
 
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*sigh*

By looking at it...(and by listening to it)

That should not be on the car no matter what unless you are running speed density with a standalone ECU.





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Old 02-03-2007, 08:47 AM   #15 (permalink)
 
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Look, im sorry if you feel im asking stupid questions but i don't know. Im pretty new to the game so bare with me. Im trying to learn as much as possible and thats the main reason i joined this forum. What am i looking for that shows it being vented to atmosphere?
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