We test fitted this Tanabe Sustec Under Brace on a 2014 Mazda 6. This 2-point brace helps reduce chassis flex and increase stability. 

We test fitted this Tanabe Medalion Touring Exhaust on 2014 Mazda 6. 

We test fitted this Tanabe Sustec Strut Tower Bar for 2014 Mazda 6. This tower bar helps reduce body roll and increase stability.

We test fitted the Sustec Underbrace for the Mazda RX-7 FD3S. The underbrace helps improve stability and prevents the chassis from flexing.

We successfully tested the Medalion Touring exhaust system for the Mazda 3 Skyactiv:

We will post the exhaust dyno and sound test clips soon!