Making my WRX STI 2011 Louder

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Mar 3, 2020 | 11:46 AM

ty50n

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Making my WRX STI 2011 Louder

Hi guys,

Just got my Scooby but nowhere near loud enough. Wan't to decat it but not sure of the exhaust setup and how many cats its has.

Can anyone help?

Cheers
Sami

Mar 4, 2020 | 12:20 PM

jaygsi

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From: uk

Think you have one on the down pipe and believe second pipe is decatted on the down pipe. Just change your back box will do it. Or cat back system

Mar 4, 2020 | 12:38 PM

ty50n

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So i'd need to buy 1 decat? already got nice back system, just need more flow

Thanks for response

Mar 10, 2020 | 07:19 PM

stevie turbo

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From: middlesex

Buy an invidaua dual 2x 4" pipes on my salon sounds nice

Mar 11, 2020 | 03:38 PM

jaygsi

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From: uk

Should be easier to buy the full decat pipe like this. What are you planning to do for mot time?

https://rover.ebay.com/rover/0/0/0?m...2F312964893534

Quote:

Originally Posted by ty50n

So i'd need to buy 1 decat? already got nice back system, just need more flow

Thanks for response

Mar 11, 2020 | 04:44 PM

Don Clark

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Joined: Feb 2003

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From: Harpenden

Quote:

Originally Posted by jaygsi

Should be easier to buy the full decat pipe like this. What are you planning to do for mot time?
https://rover.ebay.com/rover/0/0/0?m...2F312964893534

His "other" thread on the subject may hold the answer for you