Get 10-12 added WHP from your 2007-2013 Mazdaspeed 3 with the CorkSport Power Series Racepipe. By replacing the second catalyst on your Mazdaspeed 3 with this direct bolt on replacement, the severe air flow restriction is removed, providing significant improvements in performance and power.
The CorkSport Advantage
Best Fitment: Options of an 80mm flange for true 3" aftermarket exhausts such as the CorkSport cat-back, or a 65mm fitment for stock catback exhausts.
We can't guarantee the exhaust components are legal in your area. It is specifically designed to replace a catalytic converter, that should help you find the answer you are looking for in your local regluations.