SpinTech Pro Street 6000 has an aggressive yet moderate tone
The Pro Street 6000 is recommended for use on newer vehicles with multiple cats.The Pro Street 6000 Muffler is a direct descendant of our very popular Pro Shoot-Out 1000 series with slight modifications for more efficient sound reduction. A perfect muffler for newer Mustangs, Vipers, and trucks, when duals are installed. . The interior sound is typically at comfortable levels. Even though this muffler was not intended for racing purposes, it has found its way on many race cars with very competitive results. Sound levels will increase by increasing the tubing size. This modification can also increase interior sound levels as well as creating interior resonance. The larger the tubing the louder it will be, and could result in loss of power.