Hi-FO Cat

Outkast

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2008 Mazdaspeed3 Grand Touring
Hi-FLO Cat

Is there a HI-FLO catalytic converter for the MS3? If so what are the recommendations? I need to have the car pass state inspection (yearly), but want greater gains.
 
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What is the part number? I looked at the CorkSport site and the closest part i found was AXE-6-114-10.
 
Excellent! Do you think it is worth it? Meaning, are the gains over stock significant? Thank you for the link!
 
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Being that its a turbocharged vehicle, anything to help free up the back pressure = +hp, but also remember if you do this, you also risk the possibility of smoking cuz of the pressure difference ....so that's something you have to be willing to put up with....

Excellent! Do you think it is worth it? Meaning, are the gains over stock significant? Thank you for the link!
 
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