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Old 02-27-2013, 11:15 AM   #1
Dakota D
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Default grimmspeed 38mm ewg uppipe review

hello everyone today im reviewing the grimmspeed 38mm ewg uppipe.
the uppipe is coated from grimmspeed and the coating appears to be very good.
we will see though how well it holds up to the heat overtime.i gotta say i love
the thick flanges on this pipe.construction is top notch as are the welds and the inside of the pipe
is nice and smooth.definetly what youd expect from grimmspeed.
id also like to comment how its very nice to be able to buy a readily available up pipe that has the
flange for a ewg rather then having to mod a stock or aftermarket up pipe i think its just great

im also going to enjoy this ewg set up alot because on the outside my car looks completely stock
with my beat up wheels and everything haha im going to enjoy this
i had the stock sti pipe in before so hopefully with the new uppipe and the tial external wastegate ill see some
nice gains!

install done one 2/28/13
the install of the uppipe was very easy i went from the top though as i had my turbo out anyways for my inspection.
overall it will be easier to install this vs stock as it doesnt have gobs of heat shield around it,so it should slide in nice and easy.
i gotta go back to the topic of the flanges again they are nice and thick wich i think helps alot with gasket sealing makes everything tight i love it.

also the position of the ewg flange is great,im pretty convinced this uppipe will fit with any down pipe,currently i have a cnt downpipe, and that cat is right after the bell mouth and that fith with the ewg and dump tube its just freaking great,grimmspeed has a good thing going with these uppipes and there support of the subaru community i hope they continue to support us and continue to release new and exciting products.

i just want to thank everyone at grimmspeed for giving me my perfect solution
you guys are great.


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Last edited by Dakota D; 03-01-2013 at 12:51 PM. Reason: my thoughts after install
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Old 03-01-2013, 12:15 PM   #2
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Thanks for the review! Let us know if you have any questions.
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Old 03-01-2013, 12:35 PM   #3
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Yeah thank you for posting up! you will have to let us know how it goes after the install!

Mike
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Old 03-01-2013, 12:51 PM   #4
Dakota D
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hey grimmspeed i updated the original post with my thoughts after install just now take a look
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Old 03-01-2013, 01:00 PM   #5
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Very nice! we're glad it fit so well with the catted DP

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Old 03-01-2013, 03:35 PM   #6
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wow. definitely can't wait to get mine... why did you choose 38mm vs the larger option?
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Old 03-07-2013, 03:56 PM   #7
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Quote:
Originally Posted by Jimmy4thenguyen View Post
wow. definitely can't wait to get mine... why did you choose 38mm vs the larger option?
some say for smaller turbo's. so the 44mm is for bigger turbo's but dont quote me on that. (search nasioc)

OP: hope you enjoy it and nice review.
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Old 03-07-2013, 06:09 PM   #8
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Yeah it's going to depend on the size of the turbo and how much boost you're looking to make

Here is a great article on sizing WG's

http://www.dragzine.com/tech-stories...nd-wastegates/

Mike
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Old 10-18-2013, 03:32 AM   #9
julio6969
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I haven't had any issues with it, very good product. here's a video just for EWG sound w/ EL headers..

Last edited by julio6969; 10-18-2013 at 03:33 AM. Reason: video post
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Old 10-18-2013, 12:36 PM   #10
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i was dissapointed in grimm speed. i wanted a coated 44mm uppipe and they were at the coaters for way too long. so i had to settle with a uncoated uppipe. still a great product just a lil upset its not the coated version.


but everything else is good for grimmspeed.


also i perfer the 44mm for a smaller turbo on big boost.


rally guys use 2 wastegates on small turbos all the time. you can get the fast spool of a lil turbo when the ewg is closed. but as soon as it opens your turbo breaths alot better on exhaust side.

its the key to a hybrid turbo. if you have a super small exhaust side and a big compressor a big wastegate is ideal. it helps get rid of the pressure in the exhaust side. which is the lil turboz down fall.


https://www.youtube.com/watch?featur...5T5PnWE-k#t=14
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Old 10-18-2013, 12:46 PM   #11
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Quote:
Originally Posted by julio6969 View Post
I haven't had any issues with it, very good product. here's a video just for EWG sound w/ EL headers.. 08 STi EWG run through John Wilson Tunnel Oahu, HI - YouTube

Thanks for sharing! We're glad you're enjoying it!


Quote:
Originally Posted by pitman boosted View Post
i was dissapointed in grimm speed. i wanted a coated 44mm uppipe and they were at the coaters for way too long. so i had to settle with a uncoated uppipe. still a great product just a lil upset its not the coated version.


but everything else is good for grimmspeed.


also i perfer the 44mm for a smaller turbo on big boost.


rally guys use 2 wastegates on small turbos all the time. you can get the fast spool of a lil turbo when the ewg is closed. but as soon as it opens your turbo breaths alot better on exhaust side.

its the key to a hybrid turbo. if you have a super small exhaust side and a big compressor a big wastegate is ideal. it helps get rid of the pressure in the exhaust side. which is the lil turboz down fall.


https://www.youtube.com/watch?featur...5T5PnWE-k#t=14

I should note that we do all of our coating in house. Did you order your part through us or a vendor of ours? If it was from a vendor chances are they just didn't have the part in stock or on order.

Mike
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Old 10-26-2013, 01:54 AM   #12
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i ordered my uppipe from turbo tek tuning. they had a uncoated one in stock


after the install my well known subaru mechanic noticed a leak near the turbo. he thinks its the upipipe. i said it couldnt be with it being a more expensive grimmspeed brand.

sure enough i have the same problem as this guy.....

http://forums.nasioc.com/forums/show....php?t=2205000

so i am asking grimmspeed for a full refund and i want a turboxs up pipe
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Old 10-28-2013, 11:31 AM   #13
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Quote:
Originally Posted by pitman boosted View Post
i ordered my uppipe from turbo tek tuning. they had a uncoated one in stock


after the install my well known subaru mechanic noticed a leak near the turbo. he thinks its the upipipe. i said it couldnt be with it being a more expensive grimmspeed brand.

sure enough i have the same problem as this guy.....

http://forums.nasioc.com/forums/show....php?t=2205000

so i am asking grimmspeed for a full refund and i want a turboxs up pipe
Pipe that you have linked to in your post is a much older GS product and it was an isolated incident. In the past couple of years our entire exhaust line has seen a decent amount of upgrades and changes in manufacturing methods. I can assure you that every pipe that has left our shop in the last 2 years has been flat sanded to true the fnage up since all welding does produce some flange warping. We do this flat sanding post welding so that you the customer has a flat sealing surface and the lowest chance of the flange causing a leak.

With that being said, even a flat flange can leak. Not necesarrily due to the flange, but the order in which all the interacting parts and peices are fitted together and bolted up. There is a right and a wrong sequence in tightening things down. In the end, if you are having any issues with our products give us a call, we will make sure things get sorted out. 612.379.0000

-Matt Homes
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Old 10-28-2013, 12:40 PM   #14
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Quote:
Originally Posted by GrimmSpeed View Post
Pipe that you have linked to in your post is a much older GS product and it was an isolated incident. In the past couple of years our entire exhaust line has seen a decent amount of upgrades and changes in manufacturing methods. I can assure you that every pipe that has left our shop in the last 2 years has been flat sanded to true the fnage up since all welding does produce some flange warping. We do this flat sanding post welding so that you the customer has a flat sealing surface and the lowest chance of the flange causing a leak.

With that being said, even a flat flange can leak. Not necesarrily due to the flange, but the order in which all the interacting parts and peices are fitted together and bolted up. There is a right and a wrong sequence in tightening things down. In the end, if you are having any issues with our products give us a call, we will make sure things get sorted out. 612.379.0000

-Matt Homes


i think turbo tek tuning had this up pipe on there shelf. but i do have the original box and info card. is there anyway to look up the # and see what the manufactures date is?

i sent you a pm thanks for the good customer support
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Old 03-24-2014, 05:30 AM   #15
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Did anyone have any issues with the gasket on the turbo side not sitting properly?
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Old 03-24-2014, 09:13 AM   #16
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Did anyone have any issues with the gasket on the turbo side not sitting properly?
negative mine is still sealed very well,but i also used grimmspeed gaskets.
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Old 03-24-2014, 10:13 AM   #17
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Quote:
Originally Posted by Dakota D View Post

negative mine is still sealed very well,but i also used grimmspeed gaskets.
Mine had a gap. I had to grind one of the holes for the gasket bigger to seat it properly. A drill would have made my life easier but I didn't have one with me. I used an oem gasket.
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Old 04-21-2014, 12:15 PM   #18
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If you have the 38mm Tial MV-S and with the Grimmspeed up pipe, the install is tricky. At first, it seems like the vband for the up pipe connection is too narrow.
In order for the vband to fit the flanges you have to press it together really hard. This is because the recess on the up pipe flange isn't deep enough to accommodate the valve seat under pressure. This isn't a Tial issue.

I actually installed mine with the spring out and had a F*** of a time getting it compressed while attached to the up pipe. DO NOT attempt this!

Also, gs told me to remove the valve seat but I couldn't figure out how to and my tuner advised against it.

GS, love your product it's great but maybe consider deepening that seat a little thanks.
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Old 04-27-2014, 03:17 PM   #19
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Quote:
Originally Posted by GrimmSpeed View Post
Pipe that you have linked to in your post is a much older GS product and it was an isolated incident. In the past couple of years our entire exhaust line has seen a decent amount of upgrades and changes in manufacturing methods. I can assure you that every pipe that has left our shop in the last 2 years has been flat sanded to true the fnage up since all welding does produce some flange warping. We do this flat sanding post welding so that you the customer has a flat sealing surface and the lowest chance of the flange causing a leak. With that being said, even a flat flange can leak. Not necesarrily due to the flange, but the order in which all the interacting parts and peices are fitted together and bolted up. There is a right and a wrong sequence in tightening things down. In the end, if you are having any issues with our products give us a call, we will make sure things get sorted out. 612.379.0000 -Matt Homes
I've been running grimmspeed's ewg setup on my cars since 2008. The older versions which had lower quality flex sections developed leaks but grimmspeed warrantied it for me with no problems. I've never had a problem with leaks at either mating surface after installing their setups. As long as you tighten in the proper order you should be fine. To the other guy complaining about the wastegate flanges not being deep enough, you just have to use a channel lock to compress the clamp together...it's not really an issue. Thank you grimmspeed for your support and awesome products!
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Old 05-15-2014, 05:13 PM   #20
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My flex joint developed a hole in it. I just sent them an email.
You replaced yours with the same pipe again^?
Any issues since?
The flex joint has me nervous now......
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Old 05-15-2014, 05:18 PM   #21
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Quote:
Originally Posted by microsnook View Post
My flex joint developed a hole in it. I just sent them an email.
You replaced yours with the same pipe again^?
Any issues since?
The flex joint has me nervous now......
If you think your pipe has failed, get in touch with our customer service staff and they'll help you get it sorted out! It's sounds like you've done that, so expect a reply later today or tomorrow. We've always stood behind our products and we'll continue to do so. A few years back, we made some changes to the design of the pipes and the flex sections. Since making those changes, we haven't seen a single one of those pipes or flex sections fail in any way. It's possible that you had an earlier pipe and a few of those did have issues depending on the fitment and installation.

Let me know if there's anything else we can do for you!

Matt Beenen
Engineering
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Old 05-15-2014, 05:25 PM   #22
microsnook
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Quote:
Originally Posted by GrimmSpeed View Post
If you think your pipe has failed, get in touch with our customer service staff and they'll help you get it sorted out! It's sounds like you've done that, so expect a reply later today or tomorrow. We've always stood behind our products and we'll continue to do so. A few years back, we made some changes to the design of the pipes and the flex sections. Since making those changes, we haven't seen a single one of those pipes or flex sections fail in any way. It's possible that you had an earlier pipe and a few of those did have issues depending on the fitment and installation.

Let me know if there's anything else we can do for you!

Matt Beenen
Engineering
Thank you, I just sent the email with receipt to show proof of purchase. The email didn't have the picture yet. But I will get it to you all when I can.

Sounds good, thanks!
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Old 05-16-2014, 03:48 PM   #23
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New pipe from GS on the way.
With return shipping label.

Appreciate the customer service
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Old 05-16-2014, 04:22 PM   #24
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Quote:
Originally Posted by microsnook View Post
New pipe from GS on the way.
With return shipping label.

Appreciate the customer service
Glad the guys were able to get you sorted out; thanks for the update!

Matt Beenen
Engineering
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Old 05-16-2014, 06:41 PM   #25
Scuba Roo
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what wastegate are you running? i had a hell of a time clamping my tial mvs to the flange. its like the flange on the upipe was too thick almost because the tial flange would go in the v band clamp with the wastgate very easily.
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