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Old 11-15-2012, 04:42 PM   #26
Leafy
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On the ebay DP topic, my godspeed cam with the rear o2 bung threaded cockeyed and the rear flange doesnt sit flat with my mid pipe flange. I've properly turned off the rear fuel trims so I'm just not using the rear o2. And I just welded in my own bung for a wideband. Still need to fix the flanges.
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Old 11-16-2012, 06:18 PM   #27
j_schmitt
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Seems like it would be a waste of money to get a 2.5" when you could get a 3" right away. Wouldn't the 3" give you better performance?
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Old 11-17-2012, 11:10 AM   #28
be0tch
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Unless you're making a lot of horsepower (a lot!) 3" exhaust is more than you need.

I'm talking 450+hp, and maybe even then, you don't need to have a 3" exhaust.
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Old 11-17-2012, 12:06 PM   #29
mod maniac
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Quote:
Originally Posted by 04ScoobyWtf View Post
You can get a Catless downpipe for 70 on eBay. I got one and it sounds awesome and cheap
I bought one of these just to check it out and they are poorly made. They require alot of work to fix the flow path. where the bellmouth welds to the downpipe there is just a hole and it doesn't flow smoothly into the pipe.
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Old 11-17-2012, 01:04 PM   #30
Sir Tolik
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Thank you for the replies. I am aiming for a 3" DP. But I just did not want to spend 400$ for a piece of pipe (actually, 1 meter of a pipe costs 30$, so it's a good business to make DP's for Subaru). But if you say that DP's for 100$ are not good (Godspeed, whatever else), then I guess I will have to either buy Invidia or order something to be hand made here directly.
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Old 11-17-2012, 03:05 PM   #31
04ScoobyWtf
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I'm a eBay dp. No issues for over 2 years. Fitment wasn't bad either and ever had a leak as long as I use a new gasket
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Old 11-19-2012, 06:39 PM   #32
DerickRyoung
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If you go external wastegate then a downpipe from HKS is $150-175 new. If not going EWG then dont use HKS DP (it has a flat flange over IWG area of turbo). Otherwise, I figured there has to be decent parts from the UK like ScoobySport (exhaust note hall of fame). Downpipe from them is $119 lbs. or approx $250 USD.

http://www.scoobysport.co.uk/
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Old 11-19-2012, 10:46 PM   #33
gurusan
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Quote:
Originally Posted by Sir Tolik View Post
Thank you for the replies. I am aiming for a 3" DP. But I just did not want to spend 400$ for a piece of pipe (actually, 1 meter of a pipe costs 30$, so it's a good business to make DP's for Subaru). But if you say that DP's for 100$ are not good (Godspeed, whatever else), then I guess I will have to either buy Invidia or order something to be hand made here directly.
I bought a megan catless downpipe for 100 on ebay and it fits perfectly....there really is no need to pay a lot for a downpipe unless it's catted....and even then you can pay an exhaust shop to weld in a high flow magnaflow cat for pretty cheap.
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