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  #1  
Old 07-02-2009, 04:42 PM
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666subaru 666subaru is offline
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Default 3inch de cat pipe
Im looking for opinions for what 3 inch decat pipe to purchase for our 95wrx impreza, we have a 3inch hks centre pipe with resonator leading out to tailpipe, so what will be the best to get the best performance/quality etc.

Looked at Hayward and Scott, Scoobyparts. Exhaustsuk and flea bay.

I need it to be able to pay and pick up not wait.

Cheers for all comments. Baz and Shaz
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Old 07-02-2009, 05:26 PM
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Default Re: 3inch de cat pipe
Saj has got a couple of hks open neck down pipes.
Make sure you get stainless, a little more money but will last for ever
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Old 07-02-2009, 05:53 PM
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Default Re: 3inch de cat pipe
Quote:
Originally Posted by Crowman
Saj has got a couple of hks open neck down pipes.
Make sure you get stainless, a little more money but will last for ever
Have pm'd him and I will wait to see what he says, ideally looking for 304 grade stainless steel with the bell/open mouth in 3 inch so hopefully he might have one. Cheers Martyn
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Old 07-02-2009, 06:11 PM
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Default Re: 3inch de cat pipe
Is your centre a true 3" or does it tapper to 2.5" ?
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Old 07-02-2009, 06:42 PM
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Default Re: 3inch de cat pipe
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Originally Posted by C. J.
Is your centre a true 3" or does it tapper to 2.5" ?
True 3 inch HKS as far as I know, good point though, will check tomorrow, thanks CJ
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Old 07-02-2009, 06:54 PM
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Default Re: 3inch de cat pipe
If it tappers to 2.5 at the down pipe end there is not much point !
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Old 07-02-2009, 08:47 PM
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Default Re: 3inch de cat pipe
If it was 3" then it would already have an after market down pipe.
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Old 07-02-2009, 09:39 PM
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Default Re: 3inch de cat pipe
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Originally Posted by Crowman
If it was 3" then it would already have an after market down pipe.
Faney at RSR went to put the back box on as I thought it was 2.5 inch and he told me it was a 3 inch, thats why I had built what I have as a tail pipe, now im confused
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Old 08-02-2009, 12:10 AM
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Default Re: 3inch de cat pipe
Baz
I am prety sure i am right in saying if your system is 3 inch then it must have an aftermarket up pipe as all standard up pipes with cat in them were 2.5 inch.
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Old 08-02-2009, 09:19 AM
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Default Re: 3inch de cat pipe
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Originally Posted by Crowman
Baz
I am prety sure i am right in saying if your system is 3 inch then it must have an aftermarket up pipe as all standard up pipes with cat in them were 2.5 inch.
Think you mean down not up pipe
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Old 08-02-2009, 11:37 AM
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Default Re: 3inch de cat pipe
Quote:
Originally Posted by C. J.
Quote:
Originally Posted by Crowman
Baz
I am prety sure i am right in saying if your system is 3 inch then it must have an aftermarket up pipe as all standard up pipes with cat in them were 2.5 inch.
Think you mean down not up pipe
Yes mate ur right thanks CJ
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Old 08-02-2009, 12:38 PM
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Default Re: 3inch de cat pipe
Just crawled under the car and looked, it has definately got the original cat pipe which is then connected to a 3inch HKS pipe by what looks like a flange. The down pipe is covered by heat shields bolted together if that sounds right?

Normally I would take it to friends to sort, but as they are over 150 miles away its all new to me as I moved down here
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Old 08-02-2009, 03:30 PM
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Default Re: 3inch de cat pipe
Calm down ladies
Sorry got up pipe in the head at moment as i snapped a stud yesterday.
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Old 08-02-2009, 03:36 PM
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Default Re: 3inch de cat pipe
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Originally Posted by Crowman
Calm down ladies
Sorry got up pipe in the head at moment as i snapped a stud yesterday.
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