Full 3" turbo back exhaust....need opinions!

TPLSM3 · 01-30-2009, 08:39 PM

So it looks like I may be working with Vince @ VK Motorwerks on developing a full 3" turbo back exhaust system for our cars. This complete system would be 3" downpipes off the turbos that will come together at a 3" y-pipe and 3" back. Would anyone else be interested in this setup? We'll be trying different mufflers for the best sound & performance. One other large factor we have in mind is price! Looks like currently any exhaust system out there that is downpipe back runs $1k+ easily. I know Vince wants to keep this exhaust at LESS THAN $1k for a full TURBO BACK exhaust. So let's hear some opinions.

akak1997 · 01-30-2009, 08:52 PM

Full 3" turbo back from start to end for less than 1k, what's not to like? The question is it possible. I'm interested if it's catted (don't mind paying extra for cats, I just don't like the smell and troubles)
Good Luck

Monaco35Dream · 01-30-2009, 09:18 PM

would it be sold as 1 unit, or could i just buy dp's, cat-back or axle-back? (that way you reach a larger market) sounds like a great idea, especially if you could split them up...good luck

WeekendWarrior · 01-30-2009, 11:12 PM

sounds awesome.

Yearofthe1 · 01-30-2009, 11:13 PM

I hate to burst a bubble of happiness, but it sounds like it won't fit. Good luck though!

akak1997 · 01-31-2009, 01:35 AM

yeah I know it's very unlikely to fit, but who knows, maybe they can figure it out!

M3Newbie88 · 01-31-2009, 11:37 AM

Depending on fit, finish and pricing I think alot of members will be highly interested...

KeithLM · 01-31-2009, 12:21 PM

Quote:

Originally Posted by Monaco35Dream

would it be sold as 1 unit, or could i just buy dp's, cat-back or axle-back? (that way you reach a larger market) sounds like a great idea, especially if you could split them up...good luck

I don't know if the market would be larger if they provided it separately. Who makes 3" downpipes or a 3" cat-back? You'd have to go with a custom setup to work with either one of these parts.

wu2x · 02-01-2009, 02:16 AM

I would be definitely interested at that price point.

Juicer · 02-01-2009, 09:14 AM

Quote:

Originally Posted by TPLSM3

This complete system would be 3" downpipes off the turbos that will come together at a 3" y-pipe and 3" back. .

It sounds like we already have a similar system on the market. We have 3" downpipes, RR and AR design offer them. If you got the RR downpipes and RR exaust you would have a 3" down pipes that slowly taper to 2.5" each and then join at a 3" single Y pipe and 3" back. So I don't know why people think it wouldn't fit because it's been done. I heard AMS is also designing a similar sytem for the 335i and then the 135i.

Less than $1000 for the complete sytem would be an incredible price and I'm sure it would be a big hit as long as it had decent sound.

WhiteOne · 02-01-2009, 09:27 AM

DP's, midpipe and axle back all 3" for under $1000.
It is not going to happen.
It is just a matter of economics.
JMHO

Yearofthe1 · 02-01-2009, 02:18 PM

Quote:

Originally Posted by Juicer

It sounds like we already have a similar system on the market. We have 3" downpipes, RR and AR design offer them. If you got the RR downpipes and RR exaust you would have a 3" down pipes that slowly taper to 2.5" each and then join at a 3" single Y pipe and 3" back. So I don't know why people think it wouldn't fit because it's been done. I heard AMS is also designing a similar sytem for the 335i and then the 135i.

Less than $1000 for the complete sytem would be an incredible price and I'm sure it would be a big hit as long as it had decent sound.

Yes but like your quote says, all the dp's on the market now taper to 2.5". The OP is talking about a full 3" all the way. This wouldn't fit. Plus, for only $1000, I'd be concerned with the quality.

rcracer_tx · 02-01-2009, 02:25 PM

Quote:

Originally Posted by Yearofthe1

Yes but like your quote says, all the dp's on the market now taper to 2.5". The OP is talking about a full 3" all the way. This wouldn't fit. Plus, for only $1000, I'd be concerned with the quality.

Why, because it doesn't get the outrageous BMW tax that some other manufactures are doing? VK Motorsports make excellent quality products

I say go for it, there will be alot of interest for this exhaust at that price point

Juicer · 02-01-2009, 03:46 PM

Quote:

Originally Posted by Yearofthe1

Yes but like your quote says, all the dp's on the market now taper to 2.5". The OP is talking about a full 3" all the way. This wouldn't fit. Plus, for only $1000, I'd be concerned with the quality.

I think you are confused. The OP says 3" downpipes that join into a Y pipe. That means two 3" downpipes joining in a "Y pipe" which looks lke a Y and becomes a single 3" pipe. So you are going from two 3" pipes to a single 3" pipe. A single 3" pipe has less area than two 2.5 " pipes. You need to have a somewhat gradual taper from two 3" pipes to one three inch pipe other wise you will have back pressure. Going from dual 3" gradually to two 2.5 " to the even smaller area single 3" pipe is all part of the taper. The OP is not talking about a DUAL full 3" exhaust system. That would have issues with fitement on the 1er.

M3_Dust · 02-01-2009, 05:27 PM

OEM style tips would be nice

TPLSM3 · 02-01-2009, 06:12 PM

Thanks for all the comments guys, I will keep everyone updated as the progress goes on. It's only in the development stages at this point, but hopefully we'll have something put together in a couple weeks. If anyone knows of VK Motorwerks, quality is NEVER an issue. Their oil cooler kit is top notch & at non BMW prices. Their new intercooler is direct BOLT-ON (no trimming, tried it out myself) & is hundreds less than competitors. Obivously price for the exhaust is not set in stone, but Vince is always looking to give the best possible price. I'm sure once all said & done, it will still be less than others out there.

SlicktopTTZ · 09-10-2009, 04:14 PM

Well considering you are taking two 3" pipes wouldn't you want to "Y" them into a 4" or greater to reduce back pressure? I know from personal experience on my 300zx switching from 2.5" downpipes/catback to 3" all the way made a nice improvement in spool time and torque, keep in mind this is also a parallel twin-turbo system but it is a V engine and the pipes are separated all the way back. This is with Garrett GT BB GT2560R Turbos. Keep us updated, I'm sure there is more to be gained than what is currently available on the market.

kirby135i · 09-10-2009, 05:35 PM

is this for a 335i or 135i exhaust? Looks like VK deals mainly with the 3 series.

kirby135i · 09-10-2009, 05:53 PM

I talked to Vince...he said he would do it if we got 50 people (similar to the DP group buy)

6spdMSport · 09-10-2009, 11:51 PM

iam in

SoQuick · 09-11-2009, 11:08 PM

Quote:

Originally Posted by WhiteOne

DP's, midpipe and axle back all 3" for under $1000.
It is not going to happen.
It is just a matter of economics.
JMHO

+1

HondaGoneRogue · 09-12-2009, 02:05 AM

AMS is doing one.

01-30-2009, 08:39 PM	#1
TPLSM3 Captain 71 Rep 652 Posts Drives: '16 Porsche GT4 Join Date: Dec 2007 Location: Tampa, FL iTrader: (12)	Full 3" turbo back exhaust....need opinions! So it looks like I may be working with Vince @ VK Motorwerks on developing a full 3" turbo back exhaust system for our cars. This complete system would be 3" downpipes off the turbos that will come together at a 3" y-pipe and 3" back. Would anyone else be interested in this setup? We'll be trying different mufflers for the best sound & performance. One other large factor we have in mind is price! Looks like currently any exhaust system out there that is downpipe back runs $1k+ easily. I know Vince wants to keep this exhaust at LESS THAN $1k for a full TURBO BACK exhaust. So let's hear some opinions.
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01-30-2009, 08:52 PM	#2
akak1997 Major 64 Rep 1,159 Posts Drives: BMW 135 @ 135mph Join Date: Aug 2008 Location: Los Angeles iTrader: (2) Garage List 2008 135i [0.00]	Full 3" turbo back from start to end for less than 1k, what's not to like? The question is it possible. I'm interested if it's catted (don't mind paying extra for cats, I just don't like the smell and troubles) Good Luck
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01-30-2009, 09:18 PM	#3
Monaco35Dream Captain 44 Rep 647 Posts Drives: 08' 135i, 96' Talon Tsi AWD Join Date: May 2008 Location: Santa Maria, CA iTrader: (1) Garage List 2008 135i [0.00]	would it be sold as 1 unit, or could i just buy dp's, cat-back or axle-back? (that way you reach a larger market) sounds like a great idea, especially if you could split them up...good luck
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01-30-2009, 11:12 PM	#4
WeekendWarrior I'm not as dumb as you look. 4 Rep 132 Posts Drives: 135i Join Date: Aug 2008 Location: NJ/FL iTrader: (0)	sounds awesome. __________________ Is this thing on?
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01-30-2009, 11:13 PM	#5
Yearofthe1 An ex-addict :-( 33 Rep 691 Posts Drives: VFR1200F Join Date: Jan 2008 Location: N. Va. iTrader: (1)	I hate to burst a bubble of happiness, but it sounds like it won't fit. Good luck though! __________________ 135i Montego Blue, Grey Boston Leather, MT, Sport Package, Premium Package, Navi, Premium Sound, Heated Seats, iPod. [SIGPIC][/SIGPIC] We search for certainty and call what we find destiny. Everything is possible, yet only one thing happens. -Michael and Ellen Kaplan
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01-31-2009, 01:35 AM	#6
akak1997 Major 64 Rep 1,159 Posts Drives: BMW 135 @ 135mph Join Date: Aug 2008 Location: Los Angeles iTrader: (2) Garage List 2008 135i [0.00]	yeah I know it's very unlikely to fit, but who knows, maybe they can figure it out!
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01-31-2009, 11:37 AM	#7
M3Newbie88 Brigadier General 138 Rep 4,053 Posts Drives: E92 M3 Join Date: Jun 2008 Location: Canada iTrader: (5)	Depending on fit, finish and pricing I think alot of members will be highly interested...
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02-01-2009, 02:16 AM	#9
wu2x Captain 36 Rep 717 Posts Drives: 2011 E90 M3 6MT Join Date: May 2008 Location: NorCal iTrader: (0)	I would be definitely interested at that price point.
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02-01-2009, 09:27 AM	#11
WhiteOne Major 28 Rep 1,000 Posts Drives: 2008 AW 135i Join Date: Dec 2007 Location: Alabama iTrader: (0)	DP's, midpipe and axle back all 3" for under $1000. It is not going to happen. It is just a matter of economics. JMHO
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02-01-2009, 05:27 PM	#15
M3_Dust Michelin Man 388 Rep 740 Posts Drives: F10 535i M Sport Join Date: Apr 2008 Location: on forums iTrader: (0)	OEM style tips would be nice
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02-01-2009, 06:12 PM	#16
TPLSM3 Captain 71 Rep 652 Posts Drives: '16 Porsche GT4 Join Date: Dec 2007 Location: Tampa, FL iTrader: (12)	Thanks for all the comments guys, I will keep everyone updated as the progress goes on. It's only in the development stages at this point, but hopefully we'll have something put together in a couple weeks. If anyone knows of VK Motorwerks, quality is NEVER an issue. Their oil cooler kit is top notch & at non BMW prices. Their new intercooler is direct BOLT-ON (no trimming, tried it out myself) & is hundreds less than competitors. Obivously price for the exhaust is not set in stone, but Vince is always looking to give the best possible price. I'm sure once all said & done, it will still be less than others out there.
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09-10-2009, 04:14 PM	#17
SlicktopTTZ Captain 11 Rep 685 Posts Drives: 91 300ZX Twin-Turbo, 2010 135i Join Date: Aug 2009 Location: Corpus Christi, Texas iTrader: (0)	Well considering you are taking two 3" pipes wouldn't you want to "Y" them into a 4" or greater to reduce back pressure? I know from personal experience on my 300zx switching from 2.5" downpipes/catback to 3" all the way made a nice improvement in spool time and torque, keep in mind this is also a parallel twin-turbo system but it is a V engine and the pipes are separated all the way back. This is with Garrett GT BB GT2560R Turbos. Keep us updated, I'm sure there is more to be gained than what is currently available on the market.
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09-10-2009, 05:35 PM	#18
kirby135i Lieutenant 15 Rep 506 Posts Drives: bmw Join Date: Jun 2009 Location: here iTrader: (1)	is this for a 335i or 135i exhaust? Looks like VK deals mainly with the 3 series.
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09-10-2009, 05:53 PM	#19
kirby135i Lieutenant 15 Rep 506 Posts Drives: bmw Join Date: Jun 2009 Location: here iTrader: (1)	I talked to Vince...he said he would do it if we got 50 people (similar to the DP group buy)
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09-10-2009, 11:51 PM	#20
6spdMSport Private 5 Rep 94 Posts Drives: Jet Black 135i Sport/USB/iPod Join Date: Aug 2009 Location: 727 iTrader: (-2)	iam in __________________ 09 Jet Black 135i /// M-Sport BMS DCI /// JB3 2.0 /// AA Chargepipe & BOV /// AA FMIC /// VK Downpipes /// H&R Super-Sports /// SpunTek Custom Piping/// Miami Muffler Custom Cat-Back(Straight Pipe)/// BMS CDV/// Carbon Fiber Grills/// DEFI Boost Gauge
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09-12-2009, 02:05 AM	#22
HondaGoneRogue They like my Swag... 433 Rep 3,762 Posts Drives: 15 GSM 435i GC Join Date: Aug 2008 Location: South Dakota iTrader: (4) Garage List 2015 435i Gran Coupe [0.00]	AMS is doing one. __________________ 2015 435i Gran Coupe - Current 2008 AW 135i - Sold
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