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Author Topic: Piperx downpipe or decat?  (Read 941 times)

Offline Leeds s3

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Piperx downpipe or decat?
« on: March 23, 2013, 12:11:20 pm »
Is there any advantage of a 3" piperwex downpipe over keeping the standard downpipe and removing the cat?

The car wont be highly tuned just a ko3 with an intake and map.

Thanks
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Offline GrayMK5GTI

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Re: Piperx downpipe or decat?
« Reply #1 on: March 23, 2013, 04:53:25 pm »
The OEM downpipe has quite restrictive bends so there will be a few HP difference  :happy2:
« Last Edit: March 23, 2013, 04:57:22 pm by GrayMK5GTI »
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Offline berg

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Re: Piperx downpipe or decat?
« Reply #2 on: March 23, 2013, 07:08:31 pm »
yes, i felt quite a difference in my butt dyno when had my pipewerx downpipe fitted, i want full system later on
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