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Discussion Starter · #1 ·
Hey there!

I have recently purchased a 2012 ford focus 1 litre ecoboost (those turbo charged 1 litres). Absolutely love it but I like having a bit more noise than what it already produces but without a performance exhaust. So not to void my warranty I want to change the filter but need your help choosing the right one.

all I want is noise when I accelerate hard and I am thinking the pipercross will be best but I thought id ask you guys first to see if anybody has upgraded already and which would give more noise?

Many thanks!

Shaun
 

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I have std K&N filter - not the 57S kit. I am considering buying this kit.

But the std KN one is just a filter, no noise difference and no really noticeable performance difference.
 

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My Pipercross doesn't increase noise either.
 
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