997 Sport Catalytics 100 cell (U-Design) 05-08

100 cell, HJS tri-metal, HF (High Flow) HJS catalytic cores with U-Torque design, manufactured by M&M in Germany._x000B_ _x000B_The "U-Torque" design compensates for the backpressure loss while running the high flow cats. The design minimizes the loss of low end torque and adds 10-15 ft-lbs of torque in the mid and top range of the rpms. _x000B__x000B_Why settle for the traditional cross over cat design when you can add more torque in the mid-range and minimize the loss of torque down low where the 997's need it most!!_x000B__x000B_These catalytic converters do not require software and are safe for emissions testing._x000B__x000B_Please Note: Not for Cars with the PorscheÆ Sport Exhaust with valves._x000B__x000B__x000B__x000B__x000B_Tech Tip:Add one of our Installation kits_x000B_FVD MK 997300_x000B__x000B_Fits: GT3 Cup 3.6L (05-07), Carrera 4S, 3.8L, 261kW (05-08), Carrera 4, 3.6L, 239kW (05-08), Carrera S, Carrera