2G AWD V-Band 3" Turbo Back Exhaust Interest?

[MaNGiNa24]

Theres a local speedshop that specializes in exhausts that are looking into making a few 3" v-band turbo backs, similar to the buscher. They mentioned it, but didn't really think anyone would want them. I believe they also have one for an evo they are working on, but would anyone be interested?

I recently started parting out my DSM, but I would let them borrow the chassis to test fit the exhaust if there was enough interest.

The downpipe would start at 2.5", then flare out to 3" a few inches after to accomidate most downpipes, then the rest would be mandrel bent, stainless steel piping including a test pipe.

If theres enough interest I'll let em know bout sponsorships on the board so they can setup a group buy or maybe have another sponsor on the board take care of it.

Anyone interested?

 

[Injected]

Only if it could meet these requirements (which at this point it doesn't look like it). Anyone serious about power should have the same desire for the attributes of a turbo-back exhaust.

1. Actually starts at turbo. That means an 02 sensor housing. Also, it should be a separate 02 sensor housing from the downpipe. It's a pain-in-the ass to install and work around a non-separated one.

2. The 02 sensor housing should be at least 2.5" (preferably 2.75" or 3"), then the downpipe should be 3". The wastegate return should be kept separate as long as possible before re-routing or dumping (preferably re-routing for me).

3. It should include a stainless steel braided flex section.

4. All bends should be mandrel bent, not press bent and have as few bends as possible.

5. It should preferably be made of a rust-resistant metal, preferably stainless.

6. It should contain a 3" cat (and test-pipe option).

7. The rear exit should be clean in appearance (none of that slant crap). Perhaps some tips/muffler options for those who want dual tips or single tip.

If it met those requirements, I would jump all over that like a fat kid on a pudding-pop. No one comes close to offering such an exhaust. Especially not such an exquisite downpipe/02 sensor.

 

[MaNGiNa24]

Only if it could meet these requirements (which at this point it doesn't look like it). Anyone serious about power should have the same desire for the attributes of a turbo-back exhaust.

1. Actually starts at turbo. That means an 02 sensor housing. Also, it should be a separate 02 sensor housing from the downpipe. It's a pain-in-the ass to install and work around a non-separated one.

2. The 02 sensor housing should be at least 2.5" (preferably 2.75" or 3"), then the downpipe should be 3". The wastegate return should be kept separate as long as possible before re-routing or dumping (preferably re-routing for me).

3. It should include a stainless steel braided flex section.

4. All bends should be mandrel bent, not press bent and have as few bends as possible.

5. It should preferably be made of a rust-resistant metal, preferably stainless.

6. It should contain a 3" cat (and test-pipe option).

7. The rear exit should be clean in appearance (none of that slant crap). Perhaps some tips/muffler options for those who want dual tips or single tip.

If it met those requirements, I would jump all over that like a fat kid on a pudding-pop. No one comes close to offering such an exhaust. Especially not such an exquisite downpipe/02 sensor.

Yeah it pretty much meets all those requirements except for the o2 housing. The only reason they were against the tubular o2 housing option is simply because there are too many turbine housings currently available, and the average ssautochrome or normal tubular o2 housing won't match the flanges of either a mitsu style housing or bullseye/generic housing.

Cost is also a big factor, they want to keep it around the $600 - $700 range.

It will include a test pipe and an option for a high flow cat. I think they'd just end up using flanges to adapt your stock cat to the vband setup if a cat isn't included.

 

[Injected]

02 sensor housing is a big thing for me. If it's a separate piece, then they can offer different flanges.

 

[MaNGiNa24]

Just got done talking to the guy on aim, he says it's not as easy as replacing the flanges, it's a molded pipe that has to adapt to that flange that would costs thousands in mold fees alone. He showed me a picture of the evo o2 housing and if you compare it to every other o2 on the market, the flanges just have two round holes to accomidate the piping.

Sticking a pipe on a flange thats not designed to go flush with that pipe will disturb the flow of the exhaust path.

 

[suicidal2af]

Just got done talking to the guy on aim, he says it's not as easy as replacing the flanges, it's a molded pipe that has to adapt to that flange that would costs thousands in mold fees alone. He showed me a picture of the evo o2 housing and if you compare it to every other o2 on the market, the flanges just have two round holes to accomidate the piping.

Sticking a pipe on a flange thats not designed to go flush with that pipe will disturb the flow of the exhaust path.

He BS'd you, because that's not how it works.

Piping and flanges aren't molded together. Pipes are bent and flanges are welded on.

 

[Injected]

He BS'd you, because that's not how it works.

Piping and flanges aren't molded together. Pipes are bent and flanges are welded on.

Bingo. Anyone who's made a custom exhaust using flanges knows that it isn't rocket science. They're being lazy and are liars. Not someone I would buy an exhaust from. Here are a few pics of how simple the concept is. (from DejonPowerhouse.com). The perfect exhaust for me would be exactly like the second one, except would be separated at the lower weld (making for a long 02 sensor housing) and the wastegate would re-route to right before the flange.

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[MaNGiNa24]

Examples of the evo o2 housing:

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another

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If you look at the dsm o2 housing flange, it's not a complete circle. That means if you weld on a normal pipe to a flange that isn't a complete circle, you'll overlap the flange making it flow terribly.

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See what I mean?

The evo's pipe is MOLDED to form around the non-circular shape, as where every DSM o2 housing that isn't cast IS NOT molded, it's just 2 plain circles that won't match the turbine housing on any dsm turbo UNLESS you are using an external wastegate.

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[MaNGiNa24]

Bingo. Anyone who's made a custom exhaust using flanges knows that it isn't rocket science. They're being lazy and are liars. Not someone I would buy an exhaust from. Here are a few pics of how simple the concept is. (from DejonPowerhouse.com). The perfect exhaust for me would be exactly like the second one, except would be separated at the lower weld (making for a long 02 sensor housing) and the wastegate would re-route to right before the flange.

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They are not lazy nor liars. Dejon's design is just simply flawed.

Their downpipe that blocks off the wastegate is fine, but the one that allows for an external wastegate in place of the stock isn't going to flow as well as one with a molded pipe, like for hte evos. The problem is nobody makes one for the dsm because apparently it's difficult to realize how it'd improve performance.

 

[Injected]

They are not lazy nor liars. Dejon's design is just simply flawed.

The wastegate port is a circle, and opens outward revealing a circular port. There are more and greater problems for us to consider...

Their downpipe that blocks off the wastegate is fine, but the one that allows for an external wastegate in place of the stock isn't going to flow as well as one with a molded pipe, like for hte evos. The problem is nobody makes one for the dsm because apparently it's difficult to realize how it'd improve performance

The external wastegate will outflow any internal gate due to the extremely low pressure of the atmosphere compared to that of the downpipe. The ideal, non-atmosphere dump 02 sensor housing would introduce the dumped exhaust back into the stream as far away from the flange as possible. In that way, no one makes a great 02 sensor housing, which is why I stated that in my original requirements.

 

[brute]

You could just buy one of these Slowboy units and buy like a 3" in length pipe and weld the end of the dump tube back onto your downpipe. That'd be quite a ways away from the flange.

Edit: you can even cut the last little 45* off of the end of this dump tube and just rotate it 1/4 turn, and weld it back in. There you go, recirculated.

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[DGajre777]

Punishment racing is working on a 3" o2 housing and V-band downpipe.

 

[MaNGiNa24]

Sorry to dig up an old post. Just so you guys know, the exhaust is under production. Bolts right up a stock/aftermarket o2 housing and is 3" all the way back with minimal bends and utilizes 3 vband connections.

 

[Rob10_99]

how many are they making?
any pics or other infos?

 

[MaNGiNa24]

Making around 30 I think, I can't imagine there would be much of a demand considering the "frugalness" of DSMers these days. I had pics lying around, I'll just take the exhaust off my car thats sittin in hte garage and shoot some more.

 

[Boosted98gsx]

Make an exhaust with all v-bands specifically designed for the FP series turbos.

 

[95GSXBLUR]

Make an exhaust with all v-bands specifically designed for the FP series turbos.

YESSSSSSSSSSS.... you read my mind.

 

[2gAWDTalon]

That is cool that you updated this thread... Keep us informed. When will they be out, how much are they, where do we buy them... PICS! Thanks dude.

 

[MaNGiNa24]

Haha, I keep forgetting to take pics, the cold weather makes me hate my garage. The catback is still on the car but I'll take pics of the downpipe for now.

I know they are releasing about 30 setups that will bolt up to the stock or aftermarket o2 housing, but I don't know if they have any plans for a full turbo to downpipe setup.

 

[MaNGiNa24]

Here you go, sorry for the shitty pics, lighting sucks and I suck at taking pictures. Both parts have been on my car for a while and they were actually made from mild steel or alumized steel for the prototype, so excuse the shitty condition and the bootleg welds.

Downpipe:

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Muffler Tip (suppose to be two options, the one showed and later a "n1" slanted tip):

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Piping (shitty pics, one bend at the differential, straight all the way back to cat):

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[Boosted98gsx]

try using

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[MaNGiNa24]

Just got off the phone, 30 units planned, cost is gonna be around $600 - $650. $450ish for the catback and $175ish for hte downpipe I'm guessing. The catback will include an adapter to use your stock cat. The downpipe will include the other side for the stock cat adapter for use with a stock cat and will also include a test pipe. Not sure if they have anything planned for a bolt on high flow cat yet.

The clamps they are using are 100% stainless steel so there won't ever be any issues with rusty/corroded nonsense, piping all stainless steel and muffler all stainless steel, mandrel bent, tig welds blah blah.

I'm hoping they get it out soon, I've been considering getting back into the DSM game. This seems to be a good cost effective alternative to cheaper exhausts. Sorry if I delay on the responses, I'm kind of just an outlet for these guys, I don't really check the boards anymore.

 

[MaNGiNa24]

try using

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[MaNGiNa24]

Pics are back up, I was having server issues.

 

[DSMunknown]

I'm sorry if I missed it skimming this thread (my eyes are dry from spending a long while finally getting my PocketLogger uploaded 'cause I don't know what I'm doing with this "Hotsync" crap). What is the name of this local shop? Perhaps the title is misleading (depending on your answer), but are these exhaust systems limited to the AWD community? Or does this shop also offer systems for the FWD people?







By the way, hello from one New England DSMer to another!

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