Ultimate Racing 3" Test Pipe - Mazdaspeed 3 07-10+

- 3-inch 304 stainless steel piping
- Replaces OEM secondary catalytic converter
- 100% straight through flow
- TIG welded to perfection
- Proprietary "3-inch Donut Gasket" for a TRUE unrestricted 3-inch design
- Bolt-on

Dyno chart:

Catback
Max Horsepower: 273.47
Max Torque: 312.06

Catback/TestPipe
Max Horsepower: 274.91
Max Torque: 313.80