16 gauge 409 grade stainless steel to resist corrosion ˇ all tubing mandrel ... bent to ensure smooth exhaust flow ˇ all welds ... are roboticto ensure leak-free construction ˇ free- ... reduces back pressure for improved torque ˇ perforated muffler exhibits ... turbocharger life ˇ systems are easy to install and include all the components ... ˇ includes polished slash cut 4 to 5 stainless steel tips part 16955- ... 94-02 dual outlet 16945-2hkr part to page index footnotes photo gallery ...