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2007+ Mazda speed 3 2.3L

Replacement test pipe can dramatically increase exhaust air flow. This test pipe will work with the OEM exhaust and Dyno tested and proven to increase horse power.Mirror Polished Finishing.

◘ 3.0" OD
◘ 3/8" Flange Thickness

Disclaimer: “For off-road competition/racing use only. This product is not intended to be installed on vehicles registered for highway use. LEGAL IN CALIFORNIA ONLY FOR RACING VEHICLES THAT MAY NEVER BE USED, OR REGISTERED OR LICENSED FOR USE, UPON A HIGHWAY.”