MACH Force-Xp 2-1/2in 304 Stainless Steel Cat-Back Exhaust System w/Black Tip BMW 335i (F30) 12-15 / 435i (F32/F33) 14-16 L6-3.0L (t) N55aFe is proud to introduce the Dual Cat-Back Exhaust System for the 2012-2013 Volkswagen Beetle with the L4-2.0L Turbo engine. In recent testing this Mach Force XP cat-back exhaust system produced 7 horsepower and 14 lbs. x ft. of torque. This exhaust system is constructed out of mandrel-bent, 2.50 in. 304 stainless steel and includes MIG welded hangers and OE-style band clamps for a simple, leak-free, bolt-on installation. A huge 6 in. round high-flow muffler is used to keep exhaust drone to a minimum while maintaining a sporty sound. aFe utilizes dual 4 in. double wall, polished, stainless steel tips with an aFe laser-etched logo which provides an aggressive yet elegant look. All aFe exhaust systems are engineered and manufactured in our Corona, California manufacturing facility.