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Old 08-28-2014, 08:14 PM   #1
Jr.Sr.
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Default Searching for a tbe

Hello everyone this is my first post. I have a 2013 wrx sedan and I am looking for a tbe for it. I know this topic has been beaten to death and I have done plenty of Searching. Well, my question is, is there any noticeable difference in performance of a complete 3" inch system compared to one that tapers to 2.5". The reason I ask is because I want something that is not too loud. I cannot use the stock cbe as the previous owner installed a muffler delete. I am leaning towards the Cobb setup based on volume but would I be sacrificing performance compared to say a invidia tbe. Any help/ advice is appreciated .
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Old 08-28-2014, 10:08 PM   #2
Uncle Scotty
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post MUCH less

SEARCH and READ MUCH more

there is NO quesiton or situation that you will be able to come up with hasnt been covered here at least 100 times....usually covered at GREAT LENGTH

go to local meets....listen...ask for rides

THEN buy
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Old 08-28-2014, 10:50 PM   #3
Jr.Sr.
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Quote:
Originally Posted by Uncle Scotty View Post
post MUCH less

SEARCH and READ MUCH more

there is NO quesiton or situation that you will be able to come up with hasnt been covered here at least 100 times....usually covered at GREAT LENGTH

go to local meets....listen...ask for rides

THEN buy
Sorry if this comes off as overly defensive, but I posted once. How can I possibly post much less? Did you mean don't post anything? There was a reason that the first thing I stated was that I did search. I only found threads related to the 2.0 motor . I've been looking into local meets and in less I want to drive 2 hrs in each direction I'm out of luck for awhile as well.
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Old 08-29-2014, 12:18 AM   #4
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How far are you planning on taking the car(new turbo, intercooler, engine rebuild ect....) as a stock wrx the size of the exhaust will not make much of a differce. Once you start upgrading the vehicle heavily is when it will. If your plan is to get tbe and a cai and leave it at then the size will not matter.
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Old 08-29-2014, 02:30 AM   #5
05spyvsspy
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Which ever downpipe you get won't make you the next paul walker so just get the cobb and be done with it
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Old 08-29-2014, 07:14 AM   #6
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Quote:
Originally Posted by Jr.Sr. View Post
Sorry if this comes off as overly defensive, but I posted once. How can I possibly post much less? Did you mean don't post anything? There was a reason that the first thing I stated was that I did search. I only found threads related to the 2.0 motor . I've been looking into local meets and in less I want to drive 2 hrs in each direction I'm out of luck for awhile as well.
2 hours each direction? You must live in Pennsyltucky.

You'll have to excuse Scotty, it's kind of how he rolls.

That said, reading through the stickies will help you. The muffler delete is making your exhaust loud. 2.5" vs. 3" isn't going to make a real difference in volume. There are plenty of "Whisperback" type systems.
Check out the stickies to read up on various brands that are out there.
Or check out our vendor forum.
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Old 08-29-2014, 10:05 AM   #7
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To answer your closing statement, Invidia will be louder than Cobb in its TBE form. The Cobb is known to maintain a smooth rumble through out the rpm range. That said, you might not like it or you might love it. Since you have a haul to any meets you might consider a ton of YouTube videos. The car parts review section might serve of some use as well.

Oh and thicken the skin sir, Scotty isn't the only one who will shoot from the hip.
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Old 08-29-2014, 03:48 PM   #8
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Scotty isn't bad dude, blunt but not a duche
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Old 08-29-2014, 03:51 PM   #9
BbugWag
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I agree actually, new members are often too easily offended by him. Most of the time he is quite entertaining.
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Old 08-29-2014, 04:57 PM   #10
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An Uncle Scotty sighting in Newbies?

Hell hath frozen over, I fear!

OP, I'm going to make a suggestion. It's only a suggestion, from experience with my own car, which is an STI but is also a sedan. Same-same as far as a turbo-back goes. Go with the Invidia Q300 catback and matching catted downpipe. It is louder than stock and deeper, but is very quiet during normal acceleration and while cruising on the highway and does not drone at all. Again, this is only a suggestion. I'm old and tired of overly loud exhausts on cars. This one is not.
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Old 08-29-2014, 06:09 PM   #11
Jr.Sr.
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Thanks for the input. The reason I am hesitant on the invidia is because I've read that people experience a lot of drone at low rpms. However they all seem to drive hatchbacks .
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Old 08-29-2014, 06:38 PM   #12
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Quote:
Originally Posted by Gallo2011 View Post
An Uncle Scotty sighting in Newbies?

Hell hath frozen over, I fear!
LMAO I was thinking that too
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Old 08-29-2014, 07:05 PM   #13
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Quote:
Originally Posted by Jr.Sr. View Post
Thanks for the input. The reason I am hesitant on the invidia is because I've read that people experience a lot of drone at low rpms. However they all seem to drive hatchbacks .
The hatchback model does drone. Yours will too if you drive with your rear seats folded forward. But driven with the seats in their correct position, it shouldn't. Certainly doesn't on my car.
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Old 08-29-2014, 07:47 PM   #14
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Read the sticky threads, exhaust information hasn't changed through the years. You need to settle on loudness as your #1 buying thought, then filter it down to looks, price, etc. Since you can't hear locals, then you have to mentally come up with "I want a loud, medium, or quiet exhaust". Once you know that answer, call a large trusted vendor whom has experience with exhausts and they will tell you who to go with. If you do not know a large trusted vendor, send me a picture of a hot babe via private message and I'll set you up with one for the price of $0.
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Old 08-29-2014, 08:39 PM   #15
Gallo2011
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Keep in mind, Unabomber is from a previous generation and is considered elderly, so "hot babe" can be Joan Rivers and younger.
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Old 08-31-2014, 11:50 AM   #16
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Will the invidia catted dp cause my car to throw a cel?
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Old 08-31-2014, 12:13 PM   #17
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Quote:
Originally Posted by Jr.Sr. View Post
Will the invidia catted dp cause my car to throw a cel?
Have you read the stickies yet? Because it seems like you haven't. Please read the stickies before posting again.
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Old 08-31-2014, 12:31 PM   #18
Jr.Sr.
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I've read downpipe faqs in unabombers manifesto and the answer was some do and some don't. I could ask someone who wants to sell me a dp but not sure if I would get a honest answer. Since a previous member told me he had a invidia dp I was hoping to hear from someone who actually has one. If there are other stickies regarding downpipes and cels I apologize .
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Old 08-31-2014, 01:33 PM   #19
Loyale93
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Quote:
Originally Posted by Jr.Sr. View Post
I've read downpipe faqs in unabombers manifesto and the answer was some do and some don't. I could ask someone who wants to sell me a dp but not sure if I would get a honest answer. Since a previous member told me he had a invidia dp I was hoping to hear from someone who actually has one. If there are other stickies regarding downpipes and cels I apologize .
Couple of things. It says in there that you should ask the retailer before purchasing. That doesn't mean the dude selling it. It means Invidia.
Example: http://www.rallysportdirect.com/contact_us.cfm

Did you read this?
Quote:
Do I need engine management with a downpipe? For 02/03 WRX and 04-06 STI users, no. For 04+ WRX and 07+ STI users, it's pretty much a requirement as the open loop/closed loop fueling issue mandated by the EPA causes long term reliability problems with using a downpipe and no tuning. For STI users, the STI was the one exception manufacturers are allowed to have, but it's a wise move regardless as the STI and 06+ WRX users have a good chance of boost creep occuring with downpipe use. Tuning can ease this issue, but the cause/effect/cure of boost creep can be researched via this link.
Because that should have been a flag to then go read this:
http://forums.nasioc.com/forums/showthread.php?t=795608

Bottom line, if you are getting a DP, you will need a tune. If you have a tune, it should take care of any CEL's.
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Old 08-31-2014, 01:46 PM   #20
Jr.Sr.
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Quote:
Originally Posted by Loyale93 View Post

Bottom line, if you are getting a DP, you will need a tune. If you have a tune, it should take care of any CEL's.
Thanks, I am aware that I'll need a tune. I have a Cobb ap at the moment.
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Old 08-31-2014, 03:23 PM   #21
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Quote:
Originally Posted by Jr.Sr. View Post
Thanks, I am aware that I'll need a tune. I have a Cobb ap at the moment.
There seems to be some things you are not quite understanding with the information provided. A easy way to get the information you are looking for with a better understanding is call Cobb. Simple
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Old 08-31-2014, 03:26 PM   #22
Jr.Sr.
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Quote:
Originally Posted by jt subie View Post
There seems to be some things you are not quite understanding with the information provided. A easy way to get the information you are looking for with a better understanding is call Cobb. Simple
Call Cobb and ask them what?
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Old 08-31-2014, 03:39 PM   #23
jt subie
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Quote:
Originally Posted by Jr.Sr. View Post
Call Cobb and ask them what?
All the stuff you are currently asking here. No one can help you with what will sound good to you. What's quiet for me may be loud for you. If you plan on going stage 2 with a custom tune with a catted down pipe you may make about 5 WHP less than with a catless DP but going catless also increases the chance that you will have issues with boost creep. I would not be concerned with the differences between a turbo back exhaust that is a full 3 inch and one that tapers to 2.5 inches at the connection between the DP and cat back.
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