dp

sti dp will get your no where.... its the same thing you have. you need and aftermarket one.

the sti up pipe is catless and an upgrade to you.

 
i was assuming you were asking about buying an sti dp? and im saying that the sti factory downpipe is not different then what you have.

the sti factory uppipe is catless where yours you have now isn't. and this is a good purchase at typically an affordable rate.

get it now???

 
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