Videos of my custom turbo back exhaust - Subaru WRX Forum
 
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#1 Old 09-13-2004, 07:21 PM
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Thumbs up Videos of my custom turbo back exhaust

Exhaust is an ERZ downpipe, magnaflow high-flow cat, magnaflow muffler, 3" to the axle then 2.5" for axle back.
It's best played with subwoofer turned up.
I listened to it on headphones and it just didn't sound right.

Please right click save as:

exhaust behind car

short cruise through some twisties

It had to start raining as soon as I turned around to start video taping so I just took it easy.

I made a primitive but effective camera mount for my digital camera (has video mode) that sits where the clock pod goes. Just pop out the clock and strap it down.
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#2 Old 09-14-2004, 02:40 PM
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Quote:
Originally Posted by zoinks
3" to the axle then 2.5" for axle back.
not smart to go bigger to smaller you know that right?

guess you dont actually
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#3 Old 09-14-2004, 03:13 PM
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I was wondering the same thing. Why not go 3" for the whole thing? You can get those mufflers with a 3" inlet.
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#4 Old 09-14-2004, 07:00 PM
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## gonna get backpressure. which would u rather do, blow thru pvc piping or a straw?
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#5 Old 09-15-2004, 08:28 PM
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Well first off I wanted 3" the whole way. The muffler I got is actually a 3" inlet but the guy said that 3" would not make the bend to the muffler w/o crushing. Since I wanted madrel bent anyway, I am just going to buy some pre bent sections and fab up my own. For now the 2.5" is fine...anyways some argue that 2.5 axle back gives more torque.
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#6 Old 09-15-2004, 11:39 PM
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don't believe mechanics if u dont know them. a lot of people have full 3inch exhaust piping, my friend has 3inch all the way back with no problem. maybe 2.5inch from back to front but not 3in into 2.5, going big to small never helps or gives power.
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#7 Old 09-16-2004, 02:14 AM
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I agree with you that 3" into 2.5" isn't ideal. I've already ordered some 3" mandrel bent sections and am going to fab it up myself. I've read numerous times that there isn't much power loss when running a TXS stealth-back and that uses the stock axle back.
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#8 Old 09-16-2004, 11:13 AM
 
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Backpressure isn't needed at all of a turbocharged car. The turbo creates plenty. Therefore a 2.5" wouldn't help anything.

BTW the exhaust video is nice! Sounds sweet man
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