GReddy new DTMuffler - Dynamic Tune Muffler exhaust was designed as an economical and versatile alternative to GReddy famous Cat-back exhaust line, the new Dynamic Tune Muffler (DT-Muffler) series brings new options to performance Axle-back exhaust systems. This full stainless steel one piece system bolts onto OEM or factory position piping and then divides into dual inlets on our straight-through muffler. Exiting the oval muffler are our unique two angled round tips, measuring 80 and 42mm. The smaller tip can be capped to allow for sound and flow adjustments. This can change the tone and drivablity throughout the operating range.