which downpipe???? - Subaru WRX Forum
 
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#1 Old 07-04-2007, 08:27 PM
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which downpipe????

hi guys,, newb here

i have a hks exhaust, and im looking for a downpipe... i want something loud and a lot of power gains. that would fit on my exhaust... and without have a cel...
which is better perrin dp, invidia catless, tanabe catless??

thanks
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#2 Old 07-04-2007, 10:11 PM
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Definately catless will give you more power along with some sort of EM. I have a tanabe TBE but if you already have an exhaust im sure as long its catless they should all be mostly the same.
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#3 Old 07-05-2007, 12:34 AM
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if your taking a poll i would go with the invidia catless. but i agree with the above statement they are all about the same just make sure it has a bellmouth for better hp gains.

rollin on 17's now and they're dirty
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#4 Old 07-05-2007, 12:44 AM
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Personally I would go with the Invidia cattless V3 downpipe. It has a huge bellmouth and it has a divorced wastegate. If you want more info regarding that DP send me a PM. I recently installed one on my 06.
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#5 Old 07-05-2007, 03:42 AM
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+1 for the invidia dp. im running the catless dp and the catless cbe from invidia and am very happy with it. really good quality on the whole thing.

i like rice....just not on my car
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#6 Old 07-05-2007, 08:39 AM
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I have a Helix and I love it. In the past I know that Invidia and Helix were made by the same manufacturer and the only difference was that the Invidia had a shiney finish and cost more.
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#7 Old 07-05-2007, 12:16 PM
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Quote:
Originally Posted by WRXtreme View Post
I have a Helix and I love it. In the past I know that Invidia and Helix were made by the same manufacturer and the only difference was that the Invidia had a shiney finish and cost more.
Helix is now Titek

_Ryan_
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http://www.misubie.com/
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#8 Old 07-05-2007, 12:24 PM
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i have a megan racing dp, fits perfect.

I think it would be benificial to find a DP with a bung right after the turbo, so in the future if you get an EGT gauge or a wideband o2 you have a place to mount the sensors

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#9 Old 07-05-2007, 01:33 PM
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Before I mounted my Invidia DP I just took it to a machine shop and had them drill and tap a bung for my EGT gauge. Works awesome!
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#10 Old 07-05-2007, 01:58 PM
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I would suggest the TuboXS downpipe. It is massive 4 inches at the mouth and smoothly comes down to a 3 inch exhaust. I just switched from a Helix to a TXS DP.
TurboXS vs Helix DP:


It looks like my turbo grew a leg.

My name is Ken and I am a HP Junkie.
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#11 Old 07-05-2007, 07:14 PM
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I agree the TXS is larger, but its quite a bit more money. He would also have to get the adapter pipe to mate the TXS downpipe to the HKS catback. I've had two TXS downpipes, one Perrin, one Helix and one ERZ downpipe and I liked the Helix the best because it is a quality made downpipe for a decent price and it has a wideband o2 sensor bung about 4" after the turbo flange.
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#12 Old 07-05-2007, 08:14 PM
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+1 Invidia
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#13 Old 07-05-2007, 08:53 PM
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what of flang is on the back side of the turboxs's dp.... i want to pick one up.... size madders lol....
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#14 Old 07-05-2007, 10:11 PM
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from what i've heard from many is that there are a lot of fittament issues with the hks catback and other dp's. therefore if you have the hks catback it may be easier to buy the hks dp, but unfortunately its not of good quality.
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#15 Old 07-05-2007, 10:23 PM
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The HKS DP is the only one that I will flat out say not to buy. The flat flange design is garbage. Definitely get something that is bellmouth or divorced wastegate.

My name is Ken and I am a HP Junkie.
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