Open headers

Eccentric · 01-31-2011, 03:17 PM

Hey guys, my buddy was talking to me about his exhaust setup on his SS trailblazer, and mentioned that he had manual dump valves right after the headers.

1. Could a handheld ess reflasher be programmed to have a setting for the dump valves open, so that I don't get a cel?
2. Has anyone tried this on a z4m, or even an e46 m3?

Z4-VILLA · 01-31-2011, 03:28 PM

that would not be smart.....clearly you were not joking about being 19yr/old.....
that aside trying to do anything to your car that you saw on SS trailblazer is like.....wtf is wrong with you kid? if you think this hurts wait till the other members hear about this.....christ. while youre at it ,slap a justin Bieber sticker right over the M badge just for good measure to better compliment the lack of manhood in your taste of emulation.

first

Eccentric · 01-31-2011, 03:35 PM

Quote:

Originally Posted by Z4-Villalona

that would not be smart.....clearly you were not joking about being 19yr/old.....
that aside trying to do anything to your car that you saw on SS trailblazer is like.....wtf is wrong with you kid? if you think this hurts wait till the other members hear about this.....christ. while youre at it ,slap a justin Bieber sticker right over the M badge just for good measure to better compliment the lack of manhood in your taste of emulation.

Hmm not really nice. Questions are questions. And Bieber references are great, especially after reading them as the #1 comment on every YouTube video.. Let's not start this trend here

If people can't post questions on a forum, where can they? Zpost is supposed to be a community. I'm not hating or badmouthing, so refrain from being an asshat yourself.

I just thought it would be loud when I wanted, and quiet when trying to be respectful. I guess i was wrong. There's no book to read about being a good, bieberless m driver, so I come here to hear opinions.

I don't look at you as a stereotypical driver from queens, who can't drive, speak English, or pay for insurance, so don't judge me for being 19. I'm a teenager, not a disrespecting twat.

Z4-VILLA · 01-31-2011, 03:41 PM

actually Im ex military just moved from Fort Bragg and I bought my own shit with blood sweat and tears after destroying other 19 yr olds in other countries who would kill 5 of me and like a 100 of you just to have 1 OEM rim from your ride..... so sorry to break it to you, but i wasnt be rude just honest. Perhaps you should run straight headers.....perhaps it would put a little hair on your chest or some red on your ass when daddy finds out that he cosigned for nothing ( which ever comes first).
oh btw.....only in America.

however i did like the demographical references they would have been awesome if I were like foriegn or something .....but it was still a fair attempt.
either way you will need some serious soft ware for straight headers.....
maybe even a valve adjustment
also try looking at akropovic headerss on yucktube.

SCHMOUPE · 01-31-2011, 03:46 PM

Is this conversation really taking place? Really?

Z4-VILLA · 01-31-2011, 03:48 PM

yup....your welcome to come get some too....its monday

Eccentric · 01-31-2011, 03:52 PM

Oh so you meant to say "not a good idea. Way too loud."

Honestly, that would have been fine. I just thought that the dumps would be just as loud as the RPIs from what I read, except I could turn them off when I want.

Fun fact: I paid for half, at the age of 18. But it's cool if you want to judge based on nothing. I also have loans for school, in case you wanted to ask about freeloading education.

Other members would have been nicer. Maybe they'd say it was too obnoxious too, but they'd sure as hell leave their douchbaggery in their dick in their pants. But hey if u want to be rude, that's fine.

gatorfast · 01-31-2011, 03:57 PM

Do you two have a history with each other or something?

Eccentric · 01-31-2011, 03:59 PM

Yeah I asked to hear his exhaust bc he was local and he said "no problem"
I guess in retrospect he was being sarcastic.. Severely and angrily sarcastic

Z4-VILLA · 01-31-2011, 04:11 PM

lol...dude its all good it was fun shit talking but on the real go with rpi exhaust you will love it..... ha ha my bad i was just being a douche.......really i was. but anytime you need to hear it in person me or just2talented can show you what it sounds like.

Eccentric · 01-31-2011, 04:14 PM

Thanks for the info about software and akropovic. You should have said that initially, instead of after you were called out for being an asshole.

Quick re-editing is funny to watch.

3002 tii · 01-31-2011, 04:46 PM

i don't think manual dumps are a bad idea, aren't they the same as electric cutouts? plenty of audi/vw guys run em. do i personally like em? not really, it's way too loud for my tastes, but whatever floats your boat.

ZStig · 01-31-2011, 04:50 PM

I don't see why you couldn't do it, but I'd do it right after the x-pipe for a better sound, assuming you can get the programming for it

krnnerdboy · 01-31-2011, 04:51 PM

the needs of an ss w/ an ls2 v8 is completely different from a fine tuned inline 6. I guess you could do it w/ just 02 delete, but you will sacrifice power...major power. I have had the bypasses on my Titan and Tundra and they both went slower down the track. The noise isn't worth it. IMO a well tuned exhaust note is better all the time.

Eccentric · 01-31-2011, 05:31 PM

good info. yeah, from what i've read, power either stays the same or is lost.

I was 99% certain about the rpi until i read a comment on a different thread about waking up neighbors. I'm only home for holidays/summer, but I really don't want my gain to result in their loss, so to speak.

Im just going to go RPi, and talk to my neighbors when i get home. after a few days/weeks, if they think the exhaust needs to go. I'll swap it for something else.

pokeybritches · 01-31-2011, 06:09 PM

The headers are where airflow is the most critical. The exhaust gasses are hottest and are moving very quickly. If you want to go with a dump valve, I'd put it somewhere after section 1- as close to the mufflers as possible.

You can always try the SS Race or RE Diablos. They will be easy to resell on the forums should you decide you want the RPI.

Z4-VILLA · 01-31-2011, 06:38 PM

DUDE RPI is addictive....most people who wrote them off didnt wait for them to mature

txz4 · 01-31-2011, 07:02 PM

does this mean that i need to take my bieber sticker off of my car?!

Thisisdudewhoru · 01-31-2011, 07:10 PM

I have dumps after the x pipe. So what? Its just like with no mufflers. It'd be no different right after the headers except you'd have zero back pressure due to their being no tubing to resist flow. Hell rpi is basically dumps after the x pipe with some resonators built in....

Eccentric · 01-31-2011, 07:17 PM

Quote:

Originally Posted by Thisisdudewhoru

I have dumps after the x pipe. So what? Its just like with no mufflers. It'd be no different right after the headers except you'd have zero back pressure due to their being no tubing to resist flow. Hell rpi is basically dumps after the x pipe with some resonators built in....

If u don't mind me asking, how much were the dumps installation?

Eccentric · 01-31-2011, 07:21 PM

Quote:

Originally Posted by Eccentric

Quote:

Originally Posted by Thisisdudewhoru

I have dumps after the x pipe. So what? Its just like with no mufflers. It'd be no different right after the headers except you'd have zero back pressure due to their being no tubing to resist flow. Hell rpi is basically dumps after the x pipe with some resonators built in....

If u don't mind me asking, how much were the dumps installation?

Dumps plus installation

Thisisdudewhoru · 01-31-2011, 07:40 PM

Got 2 of these...

Have a buddy that's a welder with a shop. So install was free. Just cut out the last section of x pipe before flange and weld em in. All done. They come with caps so you can cap em and it'll be just like stock. I used bolts and wing nuts to secure the caps so I can cap and uncap without tools. They are reachable without lifting the car as well. I have them angled down a little bit from being parallel with the main x pipe cause if you have the dump pointed straight down, it's a little close to the ground for me even though I don't think you'd have problems if you did point them straight down.

I'm just excited that I have around a hundred bucks in it and can have loud ass race car sound or I can have a quiet stock road trip cause it is somewhat droney but sounds sooo exotic. I wish I had a good camera that had a good microphone because it's almost impossible to make a video that represents the sound well at all. I've tried hundreds of times to post up but it's useless.

01-31-2011, 03:17 PM	#1
Eccentric Lieutenant 51 Rep 576 Posts Drives: Interlagos Z4 M Coupe Join Date: Jun 2010 Location: In a van, down by the river. iTrader: (0)	Open headers Hey guys, my buddy was talking to me about his exhaust setup on his SS trailblazer, and mentioned that he had manual dump valves right after the headers. 1. Could a handheld ess reflasher be programmed to have a setting for the dump valves open, so that I don't get a cel? 2. Has anyone tried this on a z4m, or even an e46 m3? __________________ WE ARE!!!!!!
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01-31-2011, 03:28 PM	#2
Z4-VILLA Banned 111 Rep 2,460 Posts Drives: Z4M Hardtop Roadster Join Date: Feb 2009 Location: Classified iTrader: (0)	that would not be smart.....clearly you were not joking about being 19yr/old..... that aside trying to do anything to your car that you saw on SS trailblazer is like.....wtf is wrong with you kid? if you think this hurts wait till the other members hear about this.....christ. while youre at it ,slap a justin Bieber sticker right over the M badge just for good measure to better compliment the lack of manhood in your taste of emulation. first Last edited by Z4-VILLA; 01-31-2011 at 03:29 PM.. Reason: had to get my point across
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01-31-2011, 03:41 PM	#4
Z4-VILLA Banned 111 Rep 2,460 Posts Drives: Z4M Hardtop Roadster Join Date: Feb 2009 Location: Classified iTrader: (0)	actually Im ex military just moved from Fort Bragg and I bought my own shit with blood sweat and tears after destroying other 19 yr olds in other countries who would kill 5 of me and like a 100 of you just to have 1 OEM rim from your ride..... so sorry to break it to you, but i wasnt be rude just honest. Perhaps you should run straight headers.....perhaps it would put a little hair on your chest or some red on your ass when daddy finds out that he cosigned for nothing ( which ever comes first). oh btw.....only in America. however i did like the demographical references they would have been awesome if I were like foriegn or something .....but it was still a fair attempt. either way you will need some serious soft ware for straight headers..... maybe even a valve adjustment also try looking at akropovic headerss on yucktube. Last edited by Z4-VILLA; 01-31-2011 at 03:48 PM.. Reason: trying to play nice, barely out of puberty or not, an M car owner is still an M car owner.....FML
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01-31-2011, 03:46 PM	#5
SCHMOUPE Lieutenant Colonel 127 Rep 1,772 Posts Drives: 2007 Z4M Coupe Join Date: Apr 2010 Location: NJ iTrader: (7) Garage List 2007 Z4M Coupe [0.00]	Is this conversation really taking place? Really? __________________ Gruppe M CAI / Euro Headers / Rogue Engineering X-pipe / RE Diablo Exhaust
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01-31-2011, 03:48 PM	#6
Z4-VILLA Banned 111 Rep 2,460 Posts Drives: Z4M Hardtop Roadster Join Date: Feb 2009 Location: Classified iTrader: (0)	yup....your welcome to come get some too....its monday
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01-31-2011, 03:52 PM	#7
Eccentric Lieutenant 51 Rep 576 Posts Drives: Interlagos Z4 M Coupe Join Date: Jun 2010 Location: In a van, down by the river. iTrader: (0)	Oh so you meant to say "not a good idea. Way too loud." Honestly, that would have been fine. I just thought that the dumps would be just as loud as the RPIs from what I read, except I could turn them off when I want. Fun fact: I paid for half, at the age of 18. But it's cool if you want to judge based on nothing. I also have loans for school, in case you wanted to ask about freeloading education. Other members would have been nicer. Maybe they'd say it was too obnoxious too, but they'd sure as hell leave their douchbaggery in their dick in their pants. But hey if u want to be rude, that's fine. __________________ WE ARE!!!!!!
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01-31-2011, 03:57 PM	#8
gatorfast Major General 4995 Rep 6,862 Posts Drives: 718 Cayman Join Date: Jan 2008 Location: SoFla iTrader: (4)	Do you two have a history with each other or something?
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01-31-2011, 03:59 PM	#9
Eccentric Lieutenant 51 Rep 576 Posts Drives: Interlagos Z4 M Coupe Join Date: Jun 2010 Location: In a van, down by the river. iTrader: (0)	Yeah I asked to hear his exhaust bc he was local and he said "no problem" I guess in retrospect he was being sarcastic.. Severely and angrily sarcastic __________________ WE ARE!!!!!!
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01-31-2011, 04:11 PM	#10
Z4-VILLA Banned 111 Rep 2,460 Posts Drives: Z4M Hardtop Roadster Join Date: Feb 2009 Location: Classified iTrader: (0)	lol...dude its all good it was fun shit talking but on the real go with rpi exhaust you will love it..... ha ha my bad i was just being a douche.......really i was. but anytime you need to hear it in person me or just2talented can show you what it sounds like.
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01-31-2011, 04:14 PM	#11
Eccentric Lieutenant 51 Rep 576 Posts Drives: Interlagos Z4 M Coupe Join Date: Jun 2010 Location: In a van, down by the river. iTrader: (0)	Thanks for the info about software and akropovic. You should have said that initially, instead of after you were called out for being an asshole. Quick re-editing is funny to watch. __________________ WE ARE!!!!!!
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01-31-2011, 04:46 PM	#12
3002 tii Lieutenant General 2282 Rep 12,565 Posts Drives: Z4 M, X5, GX460 Join Date: Apr 2008 Location: CT iTrader: (99) Garage List F15 X5 xDrive35i [8.75] E86 Z4 M [10.00] F10 550i (Retired) [9.17] F25 X3 xDrive35i (R ... [9.43] E82 135is (Retired) [9.50] E85 Z4 M (Retired) [9.41] E90 328i xDrive (Re ... [9.25] E86 Z4 3.0si (Retired) [9.22]	i don't think manual dumps are a bad idea, aren't they the same as electric cutouts? plenty of audi/vw guys run em. do i personally like em? not really, it's way too loud for my tastes, but whatever floats your boat. __________________ Follow for latest mods
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01-31-2011, 04:50 PM	#13
ZStig instagram 997turbotom 279 Rep 7,377 Posts Drives: Interlagos Z4MR Join Date: Jun 2008 Location: Delray Beach, FL iTrader: (4)	I don't see why you couldn't do it, but I'd do it right after the x-pipe for a better sound, assuming you can get the programming for it __________________
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01-31-2011, 04:51 PM	#14
krnnerdboy Colonel 190 Rep 2,431 Posts Drives: v10 m6 Join Date: Nov 2008 Location: so cal iTrader: (10)	the needs of an ss w/ an ls2 v8 is completely different from a fine tuned inline 6. I guess you could do it w/ just 02 delete, but you will sacrifice power...major power. I have had the bypasses on my Titan and Tundra and they both went slower down the track. The noise isn't worth it. IMO a well tuned exhaust note is better all the time. __________________ F80 m3, 997 gt3, 14 ram ctd, f15 x5, drz400sm Gone:z4m, boss 302, c6 z06, m6,z3m
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01-31-2011, 05:31 PM	#15
Eccentric Lieutenant 51 Rep 576 Posts Drives: Interlagos Z4 M Coupe Join Date: Jun 2010 Location: In a van, down by the river. iTrader: (0)	good info. yeah, from what i've read, power either stays the same or is lost. I was 99% certain about the rpi until i read a comment on a different thread about waking up neighbors. I'm only home for holidays/summer, but I really don't want my gain to result in their loss, so to speak. Im just going to go RPi, and talk to my neighbors when i get home. after a few days/weeks, if they think the exhaust needs to go. I'll swap it for something else.
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01-31-2011, 06:09 PM	#16
pokeybritches Colonel 479 Rep 2,782 Posts Drives: ESS/G-Power Z4M, VF Z4, 996tt Join Date: Sep 2009 Location: Los Angeles iTrader: (12) Garage List 2006 BMW Z4M [10.00] 2006 BMW Z4M [8.50] 2003 BMW Z4 3.0i [9.00]	The headers are where airflow is the most critical. The exhaust gasses are hottest and are moving very quickly. If you want to go with a dump valve, I'd put it somewhere after section 1- as close to the mufflers as possible. You can always try the SS Race or RE Diablos. They will be easy to resell on the forums should you decide you want the RPI.
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01-31-2011, 06:38 PM	#17
Z4-VILLA Banned 111 Rep 2,460 Posts Drives: Z4M Hardtop Roadster Join Date: Feb 2009 Location: Classified iTrader: (0)	DUDE RPI is addictive....most people who wrote them off didnt wait for them to mature
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01-31-2011, 07:02 PM	#18
txz4 Major 59 Rep 1,097 Posts Drives: 2006 M coupe Join Date: Oct 2010 Location: san antonio, texas iTrader: (3)	does this mean that i need to take my bieber sticker off of my car?!
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01-31-2011, 07:10 PM	#19
Thisisdudewhoru Captain 82 Rep 698 Posts Drives: 16 BSM 340i Join Date: Mar 2010 Location: 423 iTrader: (1)	I have dumps after the x pipe. So what? Its just like with no mufflers. It'd be no different right after the headers except you'd have zero back pressure due to their being no tubing to resist flow. Hell rpi is basically dumps after the x pipe with some resonators built in.... __________________ '16 BSM 340i M Sport + Track Pack.:.M Perf Exhaust.:.Polished BBS RS-GT.:.JB4.:.BMS Intake.:.H&R Sport.:.
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01-31-2011, 07:40 PM	#22
Thisisdudewhoru Captain 82 Rep 698 Posts Drives: 16 BSM 340i Join Date: Mar 2010 Location: 423 iTrader: (1)	Got 2 of these... Have a buddy that's a welder with a shop. So install was free. Just cut out the last section of x pipe before flange and weld em in. All done. They come with caps so you can cap em and it'll be just like stock. I used bolts and wing nuts to secure the caps so I can cap and uncap without tools. They are reachable without lifting the car as well. I have them angled down a little bit from being parallel with the main x pipe cause if you have the dump pointed straight down, it's a little close to the ground for me even though I don't think you'd have problems if you did point them straight down. I'm just excited that I have around a hundred bucks in it and can have loud ass race car sound or I can have a quiet stock road trip cause it is somewhat droney but sounds sooo exotic. I wish I had a good camera that had a good microphone because it's almost impossible to make a video that represents the sound well at all. I've tried hundreds of times to post up but it's useless. __________________ '16 BSM 340i M Sport + Track Pack.:.M Perf Exhaust.:.Polished BBS RS-GT.:.JB4.:.BMS Intake.:.H&R Sport.:. Last edited by Thisisdudewhoru; 01-31-2011 at 07:48 PM..
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