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Old 11-07-2010, 06:58 PM   #1
xluben
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Join Date: Oct 2010
Location: Minneapolis, MN
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2002 WRX Sedan
10.9s @ 128mph

Default SPT Exhaust on my 2011 WRX Hatch (Video)

I just put the SPT exhaust on my 2011 WRX 5 Door Hatch. When I rev the throttle and then let the RPM's drop I got a bit of popping. Is this a sign of an exhaust leak, or something else?

I made a quick video, and since then I tightened the spring loaded bolt's a little bit past spec and drove it some more. Pop seems to be gone. Is this a good sign that everything was fixed?

Is this gasket normally re-useable? Is it normal to have to torque the bolts a hair more? Or maybe was it just the ECU learning the new exhaust flow? Should I pull the battery connection and reset the ECU?

Here's a video comparing the 2011 WRX Hatch Stock Exhaust to the SPT Exhaust:


EDIT: Update 12/20/10

Stage 2!

Installed the COBB downpipe yesterday and had it re-tuned.

Sounds great, and pulls much harder than Stage 1!

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Last edited by xluben; 12-20-2010 at 10:53 AM.
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Old 11-07-2010, 07:12 PM   #2
5050
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Do you have the Stock Dp and Up Pipe?
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Old 11-07-2010, 07:40 PM   #3
xluben
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Default

Yep, just swapped the cat back. Seems perfectly fine now, so I'm not too worried about it.
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Old 11-07-2010, 07:47 PM   #4
Spin1200
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Wow SPt quad pipe is louder than my SPt single!
burbles are normal, nice car!, love the 2011 more and more everyday
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Old 11-07-2010, 07:57 PM   #5
J.biz
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Quote:
Originally Posted by Spin1200 View Post
Wow SPt quad pipe is louder than my SPt single!
burbles are normal, nice car!, love the 2011 more and more everyday
X2

Sounds great! I have been thinking about trading in my 09? I reallly like the 2011's and man do I want a STI!!!
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Old 11-07-2010, 08:06 PM   #6
slimfit
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Wonder when we'll see a sedan version. Is this 3" straight to the canister?
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Old 11-07-2010, 08:32 PM   #7
xluben
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Default

Quote:
Originally Posted by Spin1200 View Post
Wow SPt quad pipe is louder than my SPt single!
burbles are normal, nice car!, love the 2011 more and more everyday
Quote:
Originally Posted by J.biz View Post
X2

Sounds great! I have been thinking about trading in my 09? I reallly like the 2011's and man do I want a STI!!!
Thanks guys. I am really glade I held out for the '11.

Quote:
Originally Posted by slimfit View Post
Wonder when we'll see a sedan version. Is this 3" straight to the canister?
I believe the sedan version should already be out there too.

Yes, it's 3" right to the can. Enters the long side of the can unlike the stock hatch exhaust that wraps around the the left side of the muffler.
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Old 11-07-2010, 09:02 PM   #8
Frank_Zuccarini
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Nice production standards for the video.

Thanks for doing this for us all.

Frank
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Old 11-07-2010, 09:17 PM   #9
bobaab
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1991 MR2

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Can you do an in-car video next? Oh wait...you swapped out the exhaust already

The stock exhaust is too quiet for me...
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Old 11-07-2010, 09:21 PM   #10
xluben
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Default

Quote:
Originally Posted by Frank_Zuccarini View Post
Nice production standards for the video.

Thanks for doing this for us all.

Frank
I had a hard time finding sound clips a while ago:

http://forums.nasioc.com/forums/show....php?t=2078722

So I figured it would be helpful for someone.

I honestly know nothing about video, but having a camera that shoots 1080p is always nice

Quote:
Originally Posted by bobaab View Post
Can you do an in-car video next? Oh wait...you swapped out the exhaust already

The stock exhaust is too quiet for me...
I could do an in car video with the SPT exhaust sometime.

Just watch it on mute the first time through to simulate the stock exhaust. LOL.
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Old 11-07-2010, 09:33 PM   #11
Leftlane2
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On the 2009s and 2010s, the dual outlet SPT sedan exhaust was always louder than the SPT single outlet for the 5 door.
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Old 11-07-2010, 09:45 PM   #12
bobaab
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1991 MR2

Default

Quote:
Originally Posted by xluben View Post
I could do an in car video with the SPT exhaust sometime.

Just watch it on mute the first time through to simulate the stock exhaust. LOL.
LOL. Damnit, why didn't I think of this!
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Old 11-11-2010, 07:06 PM   #13
xluben
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10.9s @ 128mph

Default

Photos of the exhaust:

Stock Exhaust:







SPT Exhaust:





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Old 11-11-2010, 07:21 PM   #14
SWP n Gold
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The popping is normal; especially on exhausts that don't have resonators like the SPT.
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Old 11-12-2010, 07:27 AM   #15
xluben
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10.9s @ 128mph

Default

Does anyone know if there are any cutaways of the 2011 WRX Hatch muffler online? I am curious to see if it is baffled, and if so, what is the configuration?

EDIT:

The standard 2011 WRX Hatch muffler looks like this (and I assume the internal baffle configuration is similar):



The SPT version of the 2011 WRX Hatch muffler looks like this (COBB). Although I'm not sure if it is baffled or straight through:
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Old 11-12-2010, 10:25 AM   #16
joecoolly14
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DGM

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I really like the way it looks and it sounds good too!
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Old 11-12-2010, 01:30 PM   #17
O.C.D.
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Quote:
Originally Posted by joecoolly14 View Post
I really like the way it looks and it sounds good too!
X2 I love the look of the SPT.

I find it odd though that the Hatch (WRX) stock outlets are so thin in comparison to the sedan?! I know they are different but it is odd to me.
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Old 11-12-2010, 06:08 PM   #18
GripS
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Stock tips look cheap and thin. SPT looks nice. Nice sound improvement. Looking to replace my stock with a decent catback soon. The stock exhaust on an 07 WRX sounds just like your run of the mill legacy.
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Old 11-12-2010, 10:23 PM   #19
xluben
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Default

Quote:
Originally Posted by Shraggy View Post
X2 I love the look of the SPT.

I find it odd though that the Hatch (WRX) stock outlets are so thin in comparison to the sedan?! I know they are different but it is odd to me.
Yeah, the flared tips look great. Most of the aftermarket exhausts use the thin cut pipe style like the stock exhaust. The sedan uses a similar style flared tip.

Quote:
Originally Posted by GripS View Post
Stock tips look cheap and thin. SPT looks nice. Nice sound improvement. Looking to replace my stock with a decent catback soon. The stock exhaust on an 07 WRX sounds just like your run of the mill legacy.
Sound is nice. Not real loud though. I would say that the '11 hatch sounds like just about any other car on the road with the stock exhaust. A little bit of rumble at low RPM's, but nothing noticeable on the road.
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Old 11-12-2010, 10:35 PM   #20
durania717
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1:18 I said "Wow!".
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Old 12-20-2010, 10:53 AM   #21
xluben
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10.9s @ 128mph

Default

Stage 2!

Installed the COBB downpipe yesterday and had it re-tuned.

Sounds great, and pulls much harder than Stage 1!

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Old 01-30-2011, 10:46 AM   #22
iamtheskier
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Black

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Is there less ground clearance with the SPT exhaust?

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Old 01-30-2011, 04:39 PM   #23
xluben
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Yeah, that joint does become the lowest point on the car. I haven't had any problems in MN winter as of yet....
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Old 03-25-2011, 02:14 PM   #24
jtsimaras
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Nice exhaust---too many options I can't decide.
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Old 03-25-2011, 02:16 PM   #25
mkeskater414
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sounds great!
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