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Old 10-06-2008, 12:43 PM   #1
ahendrickson
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Default How much for straight pipes

For those of you who have straight pipes, how much did it cost to have a shop weld them up?
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Old 10-06-2008, 12:49 PM   #2
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Quote:
Originally Posted by ahendrickson View Post
For those of you who have straight pipes, how much did it cost to have a shop weld them up?

If you're just doing the muffler section, it'll be maybe 80 bucks for a quick one. Could be a lot more for mandrel bends and stainless.
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Old 10-06-2008, 12:51 PM   #3
ahendrickson
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I would like to do from dp back
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Old 10-06-2008, 12:59 PM   #4
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OK, so i just called the shop I go to, Precision Tuning, and they said that if I went for straight pipes, I would lose power. Now I believe everything Rich says over there, so him saying that I will lose power is enough to deter my away from it, but I am looking for an explenation as to why I would lose power.

FYI, I am running a 20g with an external wastegate.
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Old 10-06-2008, 01:01 PM   #5
"B"
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You're not going to lose any power....

He's thinking of a N/A car. The less back-pressure behind the turbo, the better. Straight pipes which offer no resistance, in theory, will make you the most power. Plan on it being unbearably loud though.
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Old 10-06-2008, 01:08 PM   #6
ahendrickson
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No he definatly knows I was talking about a turbo car. I was telling him that I had an external wastegate and he said it still does not matter.
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Old 10-06-2008, 01:08 PM   #7
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You will not lose any power. DP back will probably be really expensive if you do not do it yourself.
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Old 10-06-2008, 01:08 PM   #8
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+1, you aren't going to lose power. For mandrel bent medium grade stainless, full cat-back, it would probably run you $100-$150. Plus $500 for a noise violation/illegal emissions system ticket. Plus a couple thousand for hearing aids 10 years from now
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Old 10-06-2008, 01:11 PM   #9
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I would still keep my current cat back and run that most of the time, and use the straight pipe for special occasions. And plus, my WRX isnt my daily driver anymore.
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Old 10-06-2008, 01:15 PM   #10
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Just replace the axle back portion with a straight pipe. No need to replace your mid pipe if it doesn't have a resonator.

Oh, and a straight pipe on the 2.5L sounds wonderful. Loud as hell and wonderful.

Last edited by Thaddy; 10-06-2008 at 01:25 PM.
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Old 10-06-2008, 01:15 PM   #11
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My advice... Get the shop to weld you a downpipe and midpipe. Buy a nice muffler, and call it complete. The muffler, if it is a nice one (check Stromung) will not affect the performance.
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Old 10-06-2008, 01:30 PM   #12
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$912.24 for all stromung.
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Old 10-06-2008, 01:40 PM   #13
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Why would he say you would loose power? What are you running now that he thinks you are going to be making more power than straight pipes? The best exhausts for a turbo car are the ones that are the most open.
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Old 10-06-2008, 01:42 PM   #14
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Quote:
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$912.24 for all stromung.
Just the muffler...
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Old 10-06-2008, 01:44 PM   #15
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Quote:
Originally Posted by ahendrickson View Post
OK, so i just called the shop I go to, Precision Tuning, and they said that if I went for straight pipes, I would lose power. Now I believe everything Rich says over there, so him saying that I will lose power is enough to deter my away from it, but I am looking for an explenation as to why I would lose power.

FYI, I am running a 20g with an external wastegate.
Well then, Rich is an idiot. . . .
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Old 10-06-2008, 03:09 PM   #16
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I heard all kinds of crazy stuff when I tried to get my cutout welded in.

1. I won't break out my tig for under $250.
2. Man, that's a four cylinder.
3.uhh, you wont have enough backpressure..
4. I don't even think your car will start..

This was all from performance/exhaust places. Well they were a bunch of dumb hicks, with ma and pa shops and fancy signs.

The two legitimate responses I got were:

1. Um, I'm sorry but you have taken out the cats, I dont even want to touch it. ( I can understand that for liability reasons)

2. Hell yea man, I'll do it. I live for this stuff.
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Old 10-06-2008, 03:16 PM   #17
Hites
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Quote:
Originally Posted by dewmudgeon View Post
Just the muffler...
lol, i hope youre kidding on that one, cause i paid $912.24 shipped for a catless dp, midpipe, and axleback.
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Old 10-06-2008, 03:17 PM   #18
Hites
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Quote:
Originally Posted by onesixnin View Post
I heard all kinds of crazy stuff when I tried to get my cutout welded in.

1. I won't break out my tig for under $250.
2. Man, that's a four cylinder.
3.uhh, you wont have enough backpressure..
4. I don't even think your car will start..

This was all from performance/exhaust places. Well they were a bunch of dumb hicks, with ma and pa shops and fancy signs.

The two legitimate responses I got were:

1. Um, I'm sorry but you have taken out the cats, I dont even want to touch it. ( I can understand that for liability reasons)

2. Hell yea man, I'll do it. I live for this stuff.
i vote for shop #2. lol
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Old 10-06-2008, 06:16 PM   #19
dewmudgeon
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Quote:
Originally Posted by Hites View Post
lol, i hope youre kidding on that one, cause i paid $912.24 shipped for a catless dp, midpipe, and axleback.
you can custom build the downpipe all the way to the axle back. my recommendation is to simply make everything but the muffler. read.
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Old 10-06-2008, 06:25 PM   #20
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I got a muffler shop to weld me a 2.25" cat-back with my muffler, costed about 150 plus 130 for the muffler.

Yeah, it's only mild steel and it's not perfectly bent like off the shelf cat-backs, so what that's like a difference between 1 and 2hp?

Is having a larger freer flowing muffler make a big difference?
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Old 10-06-2008, 06:29 PM   #21
Hites
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Quote:
Originally Posted by dewmudgeon View Post
you can custom build the downpipe all the way to the axle back. my recommendation is to simply make everything but the muffler. read.
youre assuming i care, and you assume wrongly.
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Old 10-06-2008, 08:12 PM   #22
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Pffffft!
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Old 10-06-2008, 08:29 PM   #23
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Quote:
Originally Posted by dewmudgeon View Post
you can custom build the downpipe all the way to the axle back. my recommendation is to simply make everything but the muffler. read.
Why would you want to have a muffler shop custom build a downpipe when it's one of the most readily available after market parts sold for our cars?

If I was the OP, I'd have a customer axle back made and run a mid pipe with no resonator. Slap on a stock STi axle back for daily driving, and swap it for the straight pipe for track days. You could even do the swap without ramps if need be.
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Old 10-06-2008, 08:47 PM   #24
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custom axle-back ftw
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Old 10-06-2008, 09:04 PM   #25
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custom cat-back ftw
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