The Agency Power dual resonated midpipe for the 2003-2008 Mazda RX8 features polished T304 stainless steel 3 inch piping that is TIG welded. Also included are 2 resonators and a bung for location of your Oxygen Sensor. The RX-8 midpipe will not only improve performance of your Mazda RX-8 but will give your RX-8 a deep racing tone. The dual resonated midpipe will fit in stock location allowing you to use your factory muffler. The dual resonated midpipe is for off-road use only and may cause a check engine light to come on.