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Bolt-On Power Mods Intake, exhaust, intake manifold, ignition, fuel system, cooling, etc.

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Old 03-04-2008, 06:42 PM   #1 (permalink)
 
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Exhaust Question

Sup guys, Its been awhile since I've been on here.. Hope you all are doing good and hope your evo's are too..

I was wondering from y'alls experience if I could just purchase a catback exhaust and add the necessary parts later to make it a turboback?

So far, my choices are the Megan TBE for around $600 or the AMS catback which is the same price range. The AMS turboback seems like a really reliable overall good exhaust system but the TBE version costs 900 and I'm trying to stay within a budget. If you guys suggest the AMS catback first, then I can just add tbe parts on it later on, right? All I would need would be is a testpipe to make it a TBE if I am not mistaken.

Currently I am runnin open DP so I can be ready to run my car at the track this friday; It really helps alot but I was always curious if I could have a spike in boost. Could the increased airflow increase the boost? Is that why it pulls so hard? It kills gas and isn't healthy to breathe gas when driving under a open dp but I'mma put it back on after I run my car. Just curious..
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Old 03-04-2008, 07:25 PM   #2 (permalink)
 
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WHen i got my first evo that is exactly what i did. I bought a cat back, then a dp, lastly the tp. If you are just looking for gains off the bat, i would suggest getting that tp out asap.That is the main reason your stock exhaust loses it power.

I currently am running the ams tbe. I bought each othe three parts separately and it all came to around 700. (cat and dp barely used, test pipe new). Used exhausts are a cheaper way to go...just make sure you get plenty of pictures before hand and evaluate the person's sales rating.

Good luck
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Old 03-04-2008, 08:54 PM   #3 (permalink)
 
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The biggest gains will be from the downpipe/testpipe combo. However if you are looking to spend a little at a time I would go with the AMS catback first and then the downpipe and high flow cat (there's my emissions sales pitch) or test pipe.
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Old 03-04-2008, 11:52 PM   #4 (permalink)
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[QUOTE=yangs4ever4g63;23410]
All I would need would be is a testpipe to make it a TBE if I am not mistaken.
[QUOTE]

TBE = downpipe, test pipe/high flow cat, and cat back. Yes you can add seperate parts later.

[QUOTE=yangs4ever4g63;23410]
It really helps alot but I was always curious if I could have a spike in boost. Could the increased airflow increase the boost? Is that why it pulls so hard?
[QUOTE]

Yes it can. What does your boost gauge say?



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Old 03-05-2008, 08:47 AM   #5 (permalink)
 
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It is cheaper in the long run to get a TBE all at once just a FYI.

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Old 03-05-2008, 08:58 AM   #6 (permalink)
 
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Quote:
Originally Posted by BAMBAM View Post
It is cheaper in the long run to get a TBE all at once just a FYI.
how do you figure?
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Old 03-05-2008, 09:06 AM   #7 (permalink)
 
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Look at the package price they sale it cheaper as a set then in saling it piece by piece.
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and tell me it is not cheaper to buy it all at once then in pieces.
It is any were fro 400 to 700 for a CBE or
700 to what ever for the TBE. but if you by Just one and then the other you are paying
200 to 500 for Just the down pipe? You tell me which way is cheaper.

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Old 03-05-2008, 09:50 AM   #8 (permalink)
 
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I agree with BamBam, unless you are looking to buy used.
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Old 03-05-2008, 03:19 PM   #9 (permalink)
 
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hmm

[QUOTE=turbolarry;23461][QUOTE=yangs4ever4g63;23410]
All I would need would be is a testpipe to make it a TBE if I am not mistaken.
[QUOTE]

TBE = downpipe, test pipe/high flow cat, and cat back. Yes you can add seperate parts later.

[QUOTE=yangs4ever4g63;23410]
It really helps alot but I was always curious if I could have a spike in boost. Could the increased airflow increase the boost? Is that why it pulls so hard?
Quote:

Yes it can. What does your boost gauge say?
Yea, it seems like it pulls harder and my rpms rise faster.
i have a digital kpa boost gauge. The highest it has gone is about 1.3ish kpa. That should be close to 19psi since 1kpa is 14psi.
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Old 03-05-2008, 03:40 PM   #10 (permalink)
 
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I purchased a DC 3" Downpipe w/ Cat-delete (i think i payed around $300 for it). And a HKS Hi-Power Cat-back which i got on ebay for $250. Alot of people talk sh*t about DC parts, but i have had no problems with it so far. Last piece of advice...Ebay, you can find great deals there, just make sure you know what your buying. Good luck
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Old 03-05-2008, 05:50 PM   #11 (permalink)
 
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Make sure you get a full 3" exhaust no matter what company you buy. I know a lot of HKS products have a neck down and are not full 3". Shop around and buy stainless steel only!
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Old 03-06-2008, 03:48 PM   #12 (permalink)
 
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aites

AMS OR MEGAN? I think megan isn't a full 3inch?
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Old 03-06-2008, 03:52 PM   #13 (permalink)
 
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I'm not sure about Megan. AMS most certainly is, as well as Buschur.
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Old 03-06-2008, 08:07 PM   #14 (permalink)
 
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Ebay TBE with test pipe, 225 shipped. Love it.
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Old 03-06-2008, 08:15 PM   #15 (permalink)
 
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if you are just looking for catback, realize that the ams needs an adapter to bolt to the stock exhaust (since it has a three bolt flange instead of 2 bolt)
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